Finding the Fourth Proportional to 746,521,146.90, 1,119,781,720.35 and 201,317,793.30
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Solution
The fourth proportional to 746,521,146.90, 1,119,781,720.35 and 201,317,793.30 is: 301,976,689.95
Step by Step Solution
- Step 1: Write the proportion equation
746,521,146.90 : 1,119,781,720.35 = 201,317,793.30 : x - Step 2: Convert to fraction form
746,521,146.90/1,119,781,720.35 = 201,317,793.30/x - Step 3: Cross multiply
746,521,146.90x = 1,119,781,720.35 × 201,317,793.30 - Step 4: Simplify right side
746,521,146.90x = 225,431,984,918,539,712 - Step 5: Solve for x
x = 225,431,984,918,539,712/746,521,146.90 - Step 6: Final answer
x = 301,976,689.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.