Home / 832,543,540.27-1,248,331,256.21-315,013,894.27

Finding the Fourth Proportional to 832,543,540.27, 1,248,331,256.21 and 315,013,894.27

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Solution

The fourth proportional to 832,543,540.27, 1,248,331,256.21 and 315,013,894.27 is: 472,337,687.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,543,540.27 : 1,248,331,256.21 = 315,013,894.27 : x
  2. Step 2: Convert to fraction form
    832,543,540.27/1,248,331,256.21 = 315,013,894.27/x
  3. Step 3: Cross multiply
    832,543,540.27x = 1,248,331,256.21 × 315,013,894.27
  4. Step 4: Simplify right side
    832,543,540.27x = 393,241,690,356,098,112
  5. Step 5: Solve for x
    x = 393,241,690,356,098,112/832,543,540.27
  6. Step 6: Final answer
    x = 472,337,687.26

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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.