Home / 784,175,947.11-1,176,391,693.26-231,534,239.88

Finding the Fourth Proportional to 784,175,947.11, 1,176,391,693.26 and 231,534,239.88

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Solution

The fourth proportional to 784,175,947.11, 1,176,391,693.26 and 231,534,239.88 is: 347,339,085.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,175,947.11 : 1,176,391,693.26 = 231,534,239.88 : x
  2. Step 2: Convert to fraction form
    784,175,947.11/1,176,391,693.26 = 231,534,239.88/x
  3. Step 3: Cross multiply
    784,175,947.11x = 1,176,391,693.26 × 231,534,239.88
  4. Step 4: Simplify right side
    784,175,947.11x = 272,374,956,504,511,680
  5. Step 5: Solve for x
    x = 272,374,956,504,511,680/784,175,947.11
  6. Step 6: Final answer
    x = 347,339,085.71

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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.