Alaska is about 81 times bigger than Fiji.

Fiji is approximately 18,274 sq km, while Alaska is approximately 1,481,348 sq km, making Alaska 8,006% larger than Fiji. Meanwhile, the population of Fiji is ~943,737 people (233,506 fewer people live in Alaska).
Tip: This to-scale comparison of Fiji vs. Alaska uses the Mercator projection, which distorts the size of regions near the poles.