Home / 872,705,728.92-1,204,359,523.92-476,254,306.92

Finding the Fourth Proportional to 872,705,728.92, 1,204,359,523.92 and 476,254,306.92

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Solution

The fourth proportional to 872,705,728.92, 1,204,359,523.92 and 476,254,306.92 is: 657,244,923.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,705,728.92 : 1,204,359,523.92 = 476,254,306.92 : x
  2. Step 2: Convert to fraction form
    872,705,728.92/1,204,359,523.92 = 476,254,306.92/x
  3. Step 3: Cross multiply
    872,705,728.92x = 1,204,359,523.92 × 476,254,306.92
  4. Step 4: Simplify right side
    872,705,728.92x = 573,581,410,347,020,800
  5. Step 5: Solve for x
    x = 573,581,410,347,020,800/872,705,728.92
  6. Step 6: Final answer
    x = 657,244,923.85

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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.