Home / 439,535,399.54-658,441,149.05-254,915,121.20

Finding the Fourth Proportional to 439,535,399.54, 658,441,149.05 and 254,915,121.20

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Solution

The fourth proportional to 439,535,399.54, 658,441,149.05 and 254,915,121.20 is: 381,872,780.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,535,399.54 : 658,441,149.05 = 254,915,121.20 : x
  2. Step 2: Convert to fraction form
    439,535,399.54/658,441,149.05 = 254,915,121.20/x
  3. Step 3: Cross multiply
    439,535,399.54x = 658,441,149.05 × 254,915,121.20
  4. Step 4: Simplify right side
    439,535,399.54x = 167,846,605,310,493,088
  5. Step 5: Solve for x
    x = 167,846,605,310,493,088/439,535,399.54
  6. Step 6: Final answer
    x = 381,872,780.87

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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.