Home / 391,769,633.19-587,008,744.71-227,546,392.57

Finding the Fourth Proportional to 391,769,633.19, 587,008,744.71 and 227,546,392.57

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Solution

The fourth proportional to 391,769,633.19, 587,008,744.71 and 227,546,392.57 is: 340,944,552.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,769,633.19 : 587,008,744.71 = 227,546,392.57 : x
  2. Step 2: Convert to fraction form
    391,769,633.19/587,008,744.71 = 227,546,392.57/x
  3. Step 3: Cross multiply
    391,769,633.19x = 587,008,744.71 × 227,546,392.57
  4. Step 4: Simplify right side
    391,769,633.19x = 133,571,722,268,711,376
  5. Step 5: Solve for x
    x = 133,571,722,268,711,376/391,769,633.19
  6. Step 6: Final answer
    x = 340,944,552.50

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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.