Finding the Fourth Proportional to 542,040,414.17, 813,058,988.30 and 153,863,573.09
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Solution
The fourth proportional to 542,040,414.17, 813,058,988.30 and 153,863,573.09 is: 230,794,896.10
Step by Step Solution
- Step 1: Write the proportion equation
542,040,414.17 : 813,058,988.30 = 153,863,573.09 : x - Step 2: Convert to fraction form
542,040,414.17/813,058,988.30 = 153,863,573.09/x - Step 3: Cross multiply
542,040,414.17x = 813,058,988.30 × 153,863,573.09 - Step 4: Simplify right side
542,040,414.17x = 125,100,161,072,778,496 - Step 5: Solve for x
x = 125,100,161,072,778,496/542,040,414.17 - Step 6: Final answer
x = 230,794,896.10
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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.