Lender shall provide Borrower with a final written statement of monies due prior to the due date of the balloon payment. Here's the information you'll need to have handy to complete your secured promissory note, installment with balloon final payment.Set loan terms with larger payments at the end. A "balloon payment" is the inal installment of a loan to be paid in an amount that is disproportionately larger than the regular installment. Enter the amount of the First Deed of Trust, if any. Check all the applicable boxes, and complete the information requested.