Home / 636,949,898,167.12-878,984,919,023.18-347,918,046,937.90

Finding the Fourth Proportional to 636,949,898,167.12, 878,984,919,023.18 and 347,918,046,937.90

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Solution

The fourth proportional to 636,949,898,167.12, 878,984,919,023.18 and 347,918,046,937.90 is: 480,123,659,952.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,949,898,167.12 : 878,984,919,023.18 = 347,918,046,937.90 : x
  2. Step 2: Convert to fraction form
    636,949,898,167.12/878,984,919,023.18 = 347,918,046,937.90/x
  3. Step 3: Cross multiply
    636,949,898,167.12x = 878,984,919,023.18 × 347,918,046,937.90
  4. Step 4: Simplify right side
    636,949,898,167.12x = 305,814,716,314,413,017,595,904
  5. Step 5: Solve for x
    x = 305,814,716,314,413,017,595,904/636,949,898,167.12
  6. Step 6: Final answer
    x = 480,123,659,952.57

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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.