Finding the Fourth Proportional to 1,451,367,563.80, 2,175,672,136.02 and 925,259,869.48
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Solution
The fourth proportional to 1,451,367,563.80, 2,175,672,136.02 and 925,259,869.48 is: 1,387,010,545.65
Step by Step Solution
- Step 1: Write the proportion equation
1,451,367,563.80 : 2,175,672,136.02 = 925,259,869.48 : x - Step 2: Convert to fraction form
1,451,367,563.80/2,175,672,136.02 = 925,259,869.48/x - Step 3: Cross multiply
1,451,367,563.80x = 2,175,672,136.02 × 925,259,869.48 - Step 4: Simplify right side
1,451,367,563.80x = 2,013,062,116,605,137,920 - Step 5: Solve for x
x = 2,013,062,116,605,137,920/1,451,367,563.80 - Step 6: Final answer
x = 1,387,010,545.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.