Home / 854,785,658.57-1,281,851,646.17-466,400,899.40

Finding the Fourth Proportional to 854,785,658.57, 1,281,851,646.17 and 466,400,899.40

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Solution

The fourth proportional to 854,785,658.57, 1,281,851,646.17 and 466,400,899.40 is: 699,423,012.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,785,658.57 : 1,281,851,646.17 = 466,400,899.40 : x
  2. Step 2: Convert to fraction form
    854,785,658.57/1,281,851,646.17 = 466,400,899.40/x
  3. Step 3: Cross multiply
    854,785,658.57x = 1,281,851,646.17 × 466,400,899.40
  4. Step 4: Simplify right side
    854,785,658.57x = 597,856,760,662,317,312
  5. Step 5: Solve for x
    x = 597,856,760,662,317,312/854,785,658.57
  6. Step 6: Final answer
    x = 699,423,012.86

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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.