Will give medal, in 2009, simon took a cruise on a cruise ship that had a length of 361.6 meters. on his trip, he learned that this cruise ship was the longest passenger ship at the time. after his cruise, he learned that the world's longest ship was an oil tanker named the seawise giant. it had a length of 458.46 meters. based on this information, simon found that the seawise giant oil tanker meters longer than the cruise ship. he also found that if the ships were placed end-to-end, the two ships would measure meters.