Home / 631,123,777.46-870,934,105.89-352,667,589.14

Finding the Fourth Proportional to 631,123,777.46, 870,934,105.89 and 352,667,589.14

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Solution

The fourth proportional to 631,123,777.46, 870,934,105.89 and 352,667,589.14 is: 486,671,937.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,123,777.46 : 870,934,105.89 = 352,667,589.14 : x
  2. Step 2: Convert to fraction form
    631,123,777.46/870,934,105.89 = 352,667,589.14/x
  3. Step 3: Cross multiply
    631,123,777.46x = 870,934,105.89 × 352,667,589.14
  4. Step 4: Simplify right side
    631,123,777.46x = 307,150,231,419,673,088
  5. Step 5: Solve for x
    x = 307,150,231,419,673,088/631,123,777.46
  6. Step 6: Final answer
    x = 486,671,937.25

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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.