Home / 868,895,270.40-1,303,342,905.60-501,563,251.20

Finding the Fourth Proportional to 868,895,270.40, 1,303,342,905.60 and 501,563,251.20

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Solution

The fourth proportional to 868,895,270.40, 1,303,342,905.60 and 501,563,251.20 is: 752,344,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,895,270.40 : 1,303,342,905.60 = 501,563,251.20 : x
  2. Step 2: Convert to fraction form
    868,895,270.40/1,303,342,905.60 = 501,563,251.20/x
  3. Step 3: Cross multiply
    868,895,270.40x = 1,303,342,905.60 × 501,563,251.20
  4. Step 4: Simplify right side
    868,895,270.40x = 653,708,905,161,190,656
  5. Step 5: Solve for x
    x = 653,708,905,161,190,656/868,895,270.40
  6. Step 6: Final answer
    x = 752,344,876.80

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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.