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Finding the Fourth Proportional to 618,038,076.92, 927,057,448.28 and 229,810,462.20

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Solution

The fourth proportional to 618,038,076.92, 927,057,448.28 and 229,810,462.20 is: 344,715,817.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,038,076.92 : 927,057,448.28 = 229,810,462.20 : x
  2. Step 2: Convert to fraction form
    618,038,076.92/927,057,448.28 = 229,810,462.20/x
  3. Step 3: Cross multiply
    618,038,076.92x = 927,057,448.28 × 229,810,462.20
  4. Step 4: Simplify right side
    618,038,076.92x = 213,047,500,675,753,920
  5. Step 5: Solve for x
    x = 213,047,500,675,753,920/618,038,076.92
  6. Step 6: Final answer
    x = 344,715,817.09

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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.