Home / 887,431,215.30-1,328,595,906.15-543,057,447.30

Finding the Fourth Proportional to 887,431,215.30, 1,328,595,906.15 and 543,057,447.30

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Solution

The fourth proportional to 887,431,215.30, 1,328,595,906.15 and 543,057,447.30 is: 813,025,154.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,431,215.30 : 1,328,595,906.15 = 543,057,447.30 : x
  2. Step 2: Convert to fraction form
    887,431,215.30/1,328,595,906.15 = 543,057,447.30/x
  3. Step 3: Cross multiply
    887,431,215.30x = 1,328,595,906.15 × 543,057,447.30
  4. Step 4: Simplify right side
    887,431,215.30x = 721,503,901,287,049,344
  5. Step 5: Solve for x
    x = 721,503,901,287,049,344/887,431,215.30
  6. Step 6: Final answer
    x = 813,025,154.91

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Double scale
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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.