Home / 324,587,732-486,909,937.20-82,250,644.64

Finding the Fourth Proportional to 324,587,732, 486,909,937.20 and 82,250,644.64

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Solution

The fourth proportional to 324,587,732, 486,909,937.20 and 82,250,644.64 is: 123,383,148.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,587,732 : 486,909,937.20 = 82,250,644.64 : x
  2. Step 2: Convert to fraction form
    324,587,732/486,909,937.20 = 82,250,644.64/x
  3. Step 3: Cross multiply
    324,587,732x = 486,909,937.20 × 82,250,644.64
  4. Step 4: Simplify right side
    324,587,732x = 40,048,656,216,321,912
  5. Step 5: Solve for x
    x = 40,048,656,216,321,912/324,587,732
  6. Step 6: Final answer
    x = 123,383,148.12

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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.