Home / 1,208,520,044.20-1,812,780,066.30-634,016,722.60

Finding the Fourth Proportional to 1,208,520,044.20, 1,812,780,066.30 and 634,016,722.60

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Solution

The fourth proportional to 1,208,520,044.20, 1,812,780,066.30 and 634,016,722.60 is: 951,025,083.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,520,044.20 : 1,812,780,066.30 = 634,016,722.60 : x
  2. Step 2: Convert to fraction form
    1,208,520,044.20/1,812,780,066.30 = 634,016,722.60/x
  3. Step 3: Cross multiply
    1,208,520,044.20x = 1,812,780,066.30 × 634,016,722.60
  4. Step 4: Simplify right side
    1,208,520,044.20x = 1,149,332,876,430,136,704
  5. Step 5: Solve for x
    x = 1,149,332,876,430,136,704/1,208,520,044.20
  6. Step 6: Final answer
    x = 951,025,083.90

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Double scale
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Similar ratio
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1.5x scale

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.