Home / 324,771,180.60-487,156,770.90-221,459,050.20

Finding the Fourth Proportional to 324,771,180.60, 487,156,770.90 and 221,459,050.20

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Solution

The fourth proportional to 324,771,180.60, 487,156,770.90 and 221,459,050.20 is: 332,188,575.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,771,180.60 : 487,156,770.90 = 221,459,050.20 : x
  2. Step 2: Convert to fraction form
    324,771,180.60/487,156,770.90 = 221,459,050.20/x
  3. Step 3: Cross multiply
    324,771,180.60x = 487,156,770.90 × 221,459,050.20
  4. Step 4: Simplify right side
    324,771,180.60x = 107,885,275,782,012,992
  5. Step 5: Solve for x
    x = 107,885,275,782,012,992/324,771,180.60
  6. Step 6: Final answer
    x = 332,188,575.30

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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.