Home / 440,375,911.28-660,821,449.73-164,217,910.04

Finding the Fourth Proportional to 440,375,911.28, 660,821,449.73 and 164,217,910.04

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Solution

The fourth proportional to 440,375,911.28, 660,821,449.73 and 164,217,910.04 is: 246,422,918.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,375,911.28 : 660,821,449.73 = 164,217,910.04 : x
  2. Step 2: Convert to fraction form
    440,375,911.28/660,821,449.73 = 164,217,910.04/x
  3. Step 3: Cross multiply
    440,375,911.28x = 660,821,449.73 × 164,217,910.04
  4. Step 4: Simplify right side
    440,375,911.28x = 108,518,717,380,138,320
  5. Step 5: Solve for x
    x = 108,518,717,380,138,320/440,375,911.28
  6. Step 6: Final answer
    x = 246,422,918.70

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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.