Home / 1,327,709,473.45-1,832,478,972.38-791,895,523.21

Finding the Fourth Proportional to 1,327,709,473.45, 1,832,478,972.38 and 791,895,523.21

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Solution

The fourth proportional to 1,327,709,473.45, 1,832,478,972.38 and 791,895,523.21 is: 1,092,958,906.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,709,473.45 : 1,832,478,972.38 = 791,895,523.21 : x
  2. Step 2: Convert to fraction form
    1,327,709,473.45/1,832,478,972.38 = 791,895,523.21/x
  3. Step 3: Cross multiply
    1,327,709,473.45x = 1,832,478,972.38 × 791,895,523.21
  4. Step 4: Simplify right side
    1,327,709,473.45x = 1,451,131,894,597,000,704
  5. Step 5: Solve for x
    x = 1,451,131,894,597,000,704/1,327,709,473.45
  6. Step 6: Final answer
    x = 1,092,958,906.76

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Double scale
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1.5x scale

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.