Finding the Fourth Proportional to 1,553,256,750.80, 2,329,885,126.20 and 972,781,461.20
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Solution
The fourth proportional to 1,553,256,750.80, 2,329,885,126.20 and 972,781,461.20 is: 1,459,172,191.80
Step by Step Solution
- Step 1: Write the proportion equation
1,553,256,750.80 : 2,329,885,126.20 = 972,781,461.20 : x - Step 2: Convert to fraction form
1,553,256,750.80/2,329,885,126.20 = 972,781,461.20/x - Step 3: Cross multiply
1,553,256,750.80x = 2,329,885,126.20 × 972,781,461.20 - Step 4: Simplify right side
1,553,256,750.80x = 2,266,469,057,492,982,272 - Step 5: Solve for x
x = 2,266,469,057,492,982,272/1,553,256,750.80 - Step 6: Final answer
x = 1,459,172,191.80
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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.