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Finding the Fourth Proportional to 1,375,491,956.20, 2,063,237,934.30 and 885,715,930.60

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Solution

The fourth proportional to 1,375,491,956.20, 2,063,237,934.30 and 885,715,930.60 is: 1,328,573,895.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,491,956.20 : 2,063,237,934.30 = 885,715,930.60 : x
  2. Step 2: Convert to fraction form
    1,375,491,956.20/2,063,237,934.30 = 885,715,930.60/x
  3. Step 3: Cross multiply
    1,375,491,956.20x = 2,063,237,934.30 × 885,715,930.60
  4. Step 4: Simplify right side
    1,375,491,956.20x = 1,827,442,707,027,746,048
  5. Step 5: Solve for x
    x = 1,827,442,707,027,746,048/1,375,491,956.20
  6. Step 6: Final answer
    x = 1,328,573,895.90

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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.