Home / 381,939,557.76-571,767,384.96-233,921,023.92

Finding the Fourth Proportional to 381,939,557.76, 571,767,384.96 and 233,921,023.92

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Solution

The fourth proportional to 381,939,557.76, 571,767,384.96 and 233,921,023.92 is: 350,182,141.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,939,557.76 : 571,767,384.96 = 233,921,023.92 : x
  2. Step 2: Convert to fraction form
    381,939,557.76/571,767,384.96 = 233,921,023.92/x
  3. Step 3: Cross multiply
    381,939,557.76x = 571,767,384.96 × 233,921,023.92
  4. Step 4: Simplify right side
    381,939,557.76x = 133,748,412,133,904,016
  5. Step 5: Solve for x
    x = 133,748,412,133,904,016/381,939,557.76
  6. Step 6: Final answer
    x = 350,182,141.17

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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.