I know that you had a great site with English content and you were ranking Top 10 in Google.de .se .fr .ca .dk .be(local) for a specific term. But now you have added some new languages such as Japanese, French, German Swedish, Danish, Arabic, Russian.

What would you think should happen for your Google positioning?
Will you keep the same Google ranking or would you lose it?

Actually Google had a LocalScore Patent since 2001 named Ranking search results by reranking the results based on local inter-connectivity by Krishna Bharat

Rethink your Search Engine Optimization strategy when initiated to add new languages for your site.

A search engine for searching a corpus improves the relevancy of the results by refining a standard relevancy score based on the interconnectivity of the initially returned set of documents. The search engine obtains an initial set of relevant documents by matching a user’s search terms to an index of a corpus. A re-ranking component in the search engine then refines the initially returned document rankings so that documents that are frequently cited in the initial set of relevant documents are preferred over documents that are less frequently cited within the initial set.

Google goes local and show first results with Google map integrating local businesses with directions and phone numbers.

Two examples to check if you search on Google.co.uk plumbers london or on Google.fr plombier paris.

plombier paris
www.google.fr/maps?hl=fr&lr=&q=plombier&near=Paris&sa=X&oi=local&ct=title