Finding the Fourth Proportional to 418,574,337.49, 577,687,589.73 and 240,028,097.62
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Solution
The fourth proportional to 418,574,337.49, 577,687,589.73 and 240,028,097.62 is: 331,270,316.32
Step by Step Solution
- Step 1: Write the proportion equation
418,574,337.49 : 577,687,589.73 = 240,028,097.62 : x - Step 2: Convert to fraction form
418,574,337.49/577,687,589.73 = 240,028,097.62/x - Step 3: Cross multiply
418,574,337.49x = 577,687,589.73 × 240,028,097.62 - Step 4: Simplify right side
418,574,337.49x = 138,661,253,182,162,240 - Step 5: Solve for x
x = 138,661,253,182,162,240/418,574,337.49 - Step 6: Final answer
x = 331,270,316.32
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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.