“五倍”的拼音？

我有五倍于汤姆的书.I have five times the number of Tom's books.那些姑娘们无疑要聪明五倍.The girls have to be five times as smart.这个盒子比那个盒子小五倍.This box is five times smaller than that one....

“五倍”的英语可以翻译为：quintupling ...