Home / 832,543,538.52-1,248,331,253.58-315,013,892.52

Finding the Fourth Proportional to 832,543,538.52, 1,248,331,253.58 and 315,013,892.52

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Solution

The fourth proportional to 832,543,538.52, 1,248,331,253.58 and 315,013,892.52 is: 472,337,684.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,543,538.52 : 1,248,331,253.58 = 315,013,892.52 : x
  2. Step 2: Convert to fraction form
    832,543,538.52/1,248,331,253.58 = 315,013,892.52/x
  3. Step 3: Cross multiply
    832,543,538.52x = 1,248,331,253.58 × 315,013,892.52
  4. Step 4: Simplify right side
    832,543,538.52x = 393,241,687,344,606,912
  5. Step 5: Solve for x
    x = 393,241,687,344,606,912/832,543,538.52
  6. Step 6: Final answer
    x = 472,337,684.64

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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.