long-term debt-to-equity ratio, calculated immediately after the acquisition

Under U.S. GAAP,

long-term debt-to-equity ratio = (BV of acquirer's long-term debt + FV of acquiree's long-term debt)/(BV of acquirer's shareholders' equiy + FV of shares used to acquire + non-controlling interest)


FV of shares used to acquire + non-controlling interest
= FV of shares used to acquire / %Purchased(*)

(*) %controlling interest in the purchased company