Home / 663,230,086.11-994,471,828.08-220,335,657.64

Finding the Fourth Proportional to 663,230,086.11, 994,471,828.08 and 220,335,657.64

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Solution

The fourth proportional to 663,230,086.11, 994,471,828.08 and 220,335,657.64 is: 330,379,469.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,230,086.11 : 994,471,828.08 = 220,335,657.64 : x
  2. Step 2: Convert to fraction form
    663,230,086.11/994,471,828.08 = 220,335,657.64/x
  3. Step 3: Cross multiply
    663,230,086.11x = 994,471,828.08 × 220,335,657.64
  4. Step 4: Simplify right side
    663,230,086.11x = 219,117,604,249,180,608
  5. Step 5: Solve for x
    x = 219,117,604,249,180,608/663,230,086.11
  6. Step 6: Final answer
    x = 330,379,469.87

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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.