Earlier quoted context omitted.
What do you mean 'it will be balanced'? In double entry accounting, every ledger entry needs to balance. You have three entries. Whether they balance depends on how you enter them. What is the specific problem in your example?
I mean that balance report had 0 total. More precisely, I want to convert everything to a single currency, and than have 0 balance. I.g. I want to check my net worth in USD, or my net worth in EUR. To see capital gains/losses.
https://github.com/ledger/ledger/wiki/Currency-trading-accou...