The blue whale is the largest animal living on the earth. the average blue whale measures 100 feet long (30 meters) and weighs 300,000 pounds (136,000 kilograms). a whale’s head is  1⁄3  of the length of its body. a new baby whale is  1⁄4the length of a grown whale. the average man is  1⁄17  the length of a blue whale, and  1⁄1,818its weight. a human baby measures  1⁄4  of the length of an adult. calculate the following information: how long is a whale’s head? how long is a new baby whale? how tall is the average man? how much does the average man weigh? how tall is the average human baby?