Home / 897,451,892.91-1,346,254,909.25-315,136,082.43

Finding the Fourth Proportional to 897,451,892.91, 1,346,254,909.25 and 315,136,082.43

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Solution

The fourth proportional to 897,451,892.91, 1,346,254,909.25 and 315,136,082.43 is: 472,731,186.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,451,892.91 : 1,346,254,909.25 = 315,136,082.43 : x
  2. Step 2: Convert to fraction form
    897,451,892.91/1,346,254,909.25 = 315,136,082.43/x
  3. Step 3: Cross multiply
    897,451,892.91x = 1,346,254,909.25 × 315,136,082.43
  4. Step 4: Simplify right side
    897,451,892.91x = 424,253,498,051,624,448
  5. Step 5: Solve for x
    x = 424,253,498,051,624,448/897,451,892.91
  6. Step 6: Final answer
    x = 472,731,186.38

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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.