Home / 403,720,687,092.78-557,013,595,172.43-232,438,214,701.02

Finding the Fourth Proportional to 403,720,687,092.78, 557,013,595,172.43 and 232,438,214,701.02

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Solution

The fourth proportional to 403,720,687,092.78, 557,013,595,172.43 and 232,438,214,701.02 is: 320,695,098,778.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,720,687,092.78 : 557,013,595,172.43 = 232,438,214,701.02 : x
  2. Step 2: Convert to fraction form
    403,720,687,092.78/557,013,595,172.43 = 232,438,214,701.02/x
  3. Step 3: Cross multiply
    403,720,687,092.78x = 557,013,595,172.43 × 232,438,214,701.02
  4. Step 4: Simplify right side
    403,720,687,092.78x = 129,471,245,626,076,332,818,432
  5. Step 5: Solve for x
    x = 129,471,245,626,076,332,818,432/403,720,687,092.78
  6. Step 6: Final answer
    x = 320,695,098,778.34

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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.