Finding the Fourth Proportional to 399,893,394.70, 551,719,229.84 and 232,594,142.17
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Solution
The fourth proportional to 399,893,394.70, 551,719,229.84 and 232,594,142.17 is: 320,902,177.14
Step by Step Solution
- Step 1: Write the proportion equation
399,893,394.70 : 551,719,229.84 = 232,594,142.17 : x - Step 2: Convert to fraction form
399,893,394.70/551,719,229.84 = 232,594,142.17/x - Step 3: Cross multiply
399,893,394.70x = 551,719,229.84 × 232,594,142.17 - Step 4: Simplify right side
399,893,394.70x = 128,326,660,983,327,872 - Step 5: Solve for x
x = 128,326,660,983,327,872/399,893,394.70 - Step 6: Final answer
x = 320,902,177.14
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.