Finding the Fourth Proportional to 3,201,976,772.90, 4,418,486,688.13 and 1,948,775,121.98
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Solution
The fourth proportional to 3,201,976,772.90, 4,418,486,688.13 and 1,948,775,121.98 is: 2,689,162,834.50
Step by Step Solution
- Step 1: Write the proportion equation
3,201,976,772.90 : 4,418,486,688.13 = 1,948,775,121.98 : x - Step 2: Convert to fraction form
3,201,976,772.90/4,418,486,688.13 = 1,948,775,121.98/x - Step 3: Cross multiply
3,201,976,772.90x = 4,418,486,688.13 × 1,948,775,121.98 - Step 4: Simplify right side
3,201,976,772.90x = 8,610,636,934,600,581,120 - Step 5: Solve for x
x = 8,610,636,934,600,581,120/3,201,976,772.90 - Step 6: Final answer
x = 2,689,162,834.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.