Finding the Fourth Proportional to 364,988,850.80, 503,515,775.85 and 323,215,488.68
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Solution
The fourth proportional to 364,988,850.80, 503,515,775.85 and 323,215,488.68 is: 445,887,859.84
Step by Step Solution
- Step 1: Write the proportion equation
364,988,850.80 : 503,515,775.85 = 323,215,488.68 : x - Step 2: Convert to fraction form
364,988,850.80/503,515,775.85 = 323,215,488.68/x - Step 3: Cross multiply
364,988,850.80x = 503,515,775.85 × 323,215,488.68 - Step 4: Simplify right side
364,988,850.80x = 162,744,097,545,717,472 - Step 5: Solve for x
x = 162,744,097,545,717,472/364,988,850.80 - Step 6: Final answer
x = 445,887,859.84
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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.