Finding the Fourth Proportional to 2,542,465,671.92, 3,812,226,085.03 and 861,187,670.99
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Solution
The fourth proportional to 2,542,465,671.92, 3,812,226,085.03 and 861,187,670.99 is: 1,291,282,765.28
Step by Step Solution
- Step 1: Write the proportion equation
2,542,465,671.92 : 3,812,226,085.03 = 861,187,670.99 : x - Step 2: Convert to fraction form
2,542,465,671.92/3,812,226,085.03 = 861,187,670.99/x - Step 3: Cross multiply
2,542,465,671.92x = 3,812,226,085.03 × 861,187,670.99 - Step 4: Simplify right side
2,542,465,671.92x = 3,283,042,103,454,311,424 - Step 5: Solve for x
x = 3,283,042,103,454,311,424/2,542,465,671.92 - Step 6: Final answer
x = 1,291,282,765.28
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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.