Home / 324,587,736-486,909,943.20-82,250,648.64

Finding the Fourth Proportional to 324,587,736, 486,909,943.20 and 82,250,648.64

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Solution

The fourth proportional to 324,587,736, 486,909,943.20 and 82,250,648.64 is: 123,383,154.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,587,736 : 486,909,943.20 = 82,250,648.64 : x
  2. Step 2: Convert to fraction form
    324,587,736/486,909,943.20 = 82,250,648.64/x
  3. Step 3: Cross multiply
    324,587,736x = 486,909,943.20 × 82,250,648.64
  4. Step 4: Simplify right side
    324,587,736x = 40,048,658,657,465,560
  5. Step 5: Solve for x
    x = 40,048,658,657,465,560/324,587,736
  6. Step 6: Final answer
    x = 123,383,154.12

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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.