Home / 327,470,793.60-491,206,190.40-300,686,167.20

Finding the Fourth Proportional to 327,470,793.60, 491,206,190.40 and 300,686,167.20

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Solution

The fourth proportional to 327,470,793.60, 491,206,190.40 and 300,686,167.20 is: 451,029,250.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,470,793.60 : 491,206,190.40 = 300,686,167.20 : x
  2. Step 2: Convert to fraction form
    327,470,793.60/491,206,190.40 = 300,686,167.20/x
  3. Step 3: Cross multiply
    327,470,793.60x = 491,206,190.40 × 300,686,167.20
  4. Step 4: Simplify right side
    327,470,793.60x = 147,698,906,696,289,408
  5. Step 5: Solve for x
    x = 147,698,906,696,289,408/327,470,793.60
  6. Step 6: Final answer
    x = 451,029,250.80

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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.