Home / 513,137,344.38-708,135,084.38-301,453,097.82

Finding the Fourth Proportional to 513,137,344.38, 708,135,084.38 and 301,453,097.82

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Solution

The fourth proportional to 513,137,344.38, 708,135,084.38 and 301,453,097.82 is: 416,008,534.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,137,344.38 : 708,135,084.38 = 301,453,097.82 : x
  2. Step 2: Convert to fraction form
    513,137,344.38/708,135,084.38 = 301,453,097.82/x
  3. Step 3: Cross multiply
    513,137,344.38x = 708,135,084.38 × 301,453,097.82
  4. Step 4: Simplify right side
    513,137,344.38x = 213,469,514,861,378,080
  5. Step 5: Solve for x
    x = 213,469,514,861,378,080/513,137,344.38
  6. Step 6: Final answer
    x = 416,008,534.95

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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.