Home / 324,771,196.10-487,156,794.15-221,459,065.70

Finding the Fourth Proportional to 324,771,196.10, 487,156,794.15 and 221,459,065.70

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Solution

The fourth proportional to 324,771,196.10, 487,156,794.15 and 221,459,065.70 is: 332,188,598.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,771,196.10 : 487,156,794.15 = 221,459,065.70 : x
  2. Step 2: Convert to fraction form
    324,771,196.10/487,156,794.15 = 221,459,065.70/x
  3. Step 3: Cross multiply
    324,771,196.10x = 487,156,794.15 × 221,459,065.70
  4. Step 4: Simplify right side
    324,771,196.10x = 107,885,288,481,866,208
  5. Step 5: Solve for x
    x = 107,885,288,481,866,208/324,771,196.10
  6. Step 6: Final answer
    x = 332,188,598.55

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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.