Home / 951,665,489.91-1,427,174,951.31-329,735,571.57

Finding the Fourth Proportional to 951,665,489.91, 1,427,174,951.31 and 329,735,571.57

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Solution

The fourth proportional to 951,665,489.91, 1,427,174,951.31 and 329,735,571.57 is: 494,491,345.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,665,489.91 : 1,427,174,951.31 = 329,735,571.57 : x
  2. Step 2: Convert to fraction form
    951,665,489.91/1,427,174,951.31 = 329,735,571.57/x
  3. Step 3: Cross multiply
    951,665,489.91x = 1,427,174,951.31 × 329,735,571.57
  4. Step 4: Simplify right side
    951,665,489.91x = 470,590,348,300,589,760
  5. Step 5: Solve for x
    x = 470,590,348,300,589,760/951,665,489.91
  6. Step 6: Final answer
    x = 494,491,345.22

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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.