Finding the Fourth Proportional to 418,751,325.20, 577,881,105.08 and 230,597,115.92
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Solution
The fourth proportional to 418,751,325.20, 577,881,105.08 and 230,597,115.92 is: 318,226,374.84
Step by Step Solution
- Step 1: Write the proportion equation
418,751,325.20 : 577,881,105.08 = 230,597,115.92 : x - Step 2: Convert to fraction form
418,751,325.20/577,881,105.08 = 230,597,115.92/x - Step 3: Cross multiply
418,751,325.20x = 577,881,105.08 × 230,597,115.92 - Step 4: Simplify right side
418,751,325.20x = 133,257,716,176,110,464 - Step 5: Solve for x
x = 133,257,716,176,110,464/418,751,325.20 - Step 6: Final answer
x = 318,226,374.84
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.