Home / 327,278,578.12-451,654,030.92-178,609,258.11

Finding the Fourth Proportional to 327,278,578.12, 451,654,030.92 and 178,609,258.11

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Solution

The fourth proportional to 327,278,578.12, 451,654,030.92 and 178,609,258.11 is: 246,486,011.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,278,578.12 : 451,654,030.92 = 178,609,258.11 : x
  2. Step 2: Convert to fraction form
    327,278,578.12/451,654,030.92 = 178,609,258.11/x
  3. Step 3: Cross multiply
    327,278,578.12x = 451,654,030.92 × 178,609,258.11
  4. Step 4: Simplify right side
    327,278,578.12x = 80,669,591,385,012,208
  5. Step 5: Solve for x
    x = 80,669,591,385,012,208/327,278,578.12
  6. Step 6: Final answer
    x = 246,486,011.55

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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.