Home / 784,175,948.61-1,176,391,695.51-231,534,241.38

Finding the Fourth Proportional to 784,175,948.61, 1,176,391,695.51 and 231,534,241.38

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Solution

The fourth proportional to 784,175,948.61, 1,176,391,695.51 and 231,534,241.38 is: 347,339,087.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,175,948.61 : 1,176,391,695.51 = 231,534,241.38 : x
  2. Step 2: Convert to fraction form
    784,175,948.61/1,176,391,695.51 = 231,534,241.38/x
  3. Step 3: Cross multiply
    784,175,948.61x = 1,176,391,695.51 × 231,534,241.38
  4. Step 4: Simplify right side
    784,175,948.61x = 272,374,958,785,639,808
  5. Step 5: Solve for x
    x = 272,374,958,785,639,808/784,175,948.61
  6. Step 6: Final answer
    x = 347,339,087.95

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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.