Roman Empire began in 27 B.C. and ended in 476 A.D. The Persian Empire lasted approximately 5/11 as long as the Roman Empire. Based on this approximation, if the Persian Empire began in 550 BC, in what year did it end?

Question

Roman Empire began in 27 B.C. and ended in 476 A.D. The Persian Empire lasted approximately 5/11 as long as the Roman Empire. Based on this approximation, if the Persian Empire began in 550 BC, in what year did it end?

Round all years to the nearest whole number

Answer 1

The Roman Empire lasted 503 years (476 - 27 = 503 years).

5/11 of 503 is approximately 229 years (503 * 5/11 = 229 years).

If the Persian Empire began in 550 BC, it would have ended in approximately 321 AD (550 + 229 = 779 AD).