Home / 327,361,658.40-491,231,444.40-122,910,400.80

Finding the Fourth Proportional to 327,361,658.40, 491,231,444.40 and 122,910,400.80

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Solution

The fourth proportional to 327,361,658.40, 491,231,444.40 and 122,910,400.80 is: 184,436,546.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,361,658.40 : 491,231,444.40 = 122,910,400.80 : x
  2. Step 2: Convert to fraction form
    327,361,658.40/491,231,444.40 = 122,910,400.80/x
  3. Step 3: Cross multiply
    327,361,658.40x = 491,231,444.40 × 122,910,400.80
  4. Step 4: Simplify right side
    327,361,658.40x = 60,377,453,716,766,912
  5. Step 5: Solve for x
    x = 60,377,453,716,766,912/327,361,658.40
  6. Step 6: Final answer
    x = 184,436,546.45

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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.