Home / 359,154,063.47-538,472,422.15-220,693,557.13

Finding the Fourth Proportional to 359,154,063.47, 538,472,422.15 and 220,693,557.13

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Solution

The fourth proportional to 359,154,063.47, 538,472,422.15 and 220,693,557.13 is: 330,881,385.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,154,063.47 : 538,472,422.15 = 220,693,557.13 : x
  2. Step 2: Convert to fraction form
    359,154,063.47/538,472,422.15 = 220,693,557.13/x
  3. Step 3: Cross multiply
    359,154,063.47x = 538,472,422.15 × 220,693,557.13
  4. Step 4: Simplify right side
    359,154,063.47x = 118,837,394,260,690,496
  5. Step 5: Solve for x
    x = 118,837,394,260,690,496/359,154,063.47
  6. Step 6: Final answer
    x = 330,881,385.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.