Home / 1,063,720,149.76-1,598,001,606.96-769,522,715.20

Finding the Fourth Proportional to 1,063,720,149.76, 1,598,001,606.96 and 769,522,715.20

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Solution

The fourth proportional to 1,063,720,149.76, 1,598,001,606.96 and 769,522,715.20 is: 1,156,035,763.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063,720,149.76 : 1,598,001,606.96 = 769,522,715.20 : x
  2. Step 2: Convert to fraction form
    1,063,720,149.76/1,598,001,606.96 = 769,522,715.20/x
  3. Step 3: Cross multiply
    1,063,720,149.76x = 1,598,001,606.96 × 769,522,715.20
  4. Step 4: Simplify right side
    1,063,720,149.76x = 1,229,698,535,481,822,464
  5. Step 5: Solve for x
    x = 1,229,698,535,481,822,464/1,063,720,149.76
  6. Step 6: Final answer
    x = 1,156,035,763.50

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Double scale
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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.