Home / 327,431,934.60-491,204,642.40-133,448,883.72

Finding the Fourth Proportional to 327,431,934.60, 491,204,642.40 and 133,448,883.72

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Solution

The fourth proportional to 327,431,934.60, 491,204,642.40 and 133,448,883.72 is: 200,196,450.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,431,934.60 : 491,204,642.40 = 133,448,883.72 : x
  2. Step 2: Convert to fraction form
    327,431,934.60/491,204,642.40 = 133,448,883.72/x
  3. Step 3: Cross multiply
    327,431,934.60x = 491,204,642.40 × 133,448,883.72
  4. Step 4: Simplify right side
    327,431,934.60x = 65,550,711,206,361,776
  5. Step 5: Solve for x
    x = 65,550,711,206,361,776/327,431,934.60
  6. Step 6: Final answer
    x = 200,196,450.86

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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.