Finding the Fourth Proportional to 542,746,979.24, 814,211,274.56 and 426,157,631.96
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Solution
The fourth proportional to 542,746,979.24, 814,211,274.56 and 426,157,631.96 is: 639,307,747.35
Step by Step Solution
- Step 1: Write the proportion equation
542,746,979.24 : 814,211,274.56 = 426,157,631.96 : x - Step 2: Convert to fraction form
542,746,979.24/814,211,274.56 = 426,157,631.96/x - Step 3: Cross multiply
542,746,979.24x = 814,211,274.56 × 426,157,631.96 - Step 4: Simplify right side
542,746,979.24x = 346,982,348,681,622,976 - Step 5: Solve for x
x = 346,982,348,681,622,976/542,746,979.24 - Step 6: Final answer
x = 639,307,747.35
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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.