Home / 486,176,781.60-729,267,042.28-117,711,120.01

Finding the Fourth Proportional to 486,176,781.60, 729,267,042.28 and 117,711,120.01

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Solution

The fourth proportional to 486,176,781.60, 729,267,042.28 and 117,711,120.01 is: 176,567,132.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,176,781.60 : 729,267,042.28 = 117,711,120.01 : x
  2. Step 2: Convert to fraction form
    486,176,781.60/729,267,042.28 = 117,711,120.01/x
  3. Step 3: Cross multiply
    486,176,781.60x = 729,267,042.28 × 117,711,120.01
  4. Step 4: Simplify right side
    486,176,781.60x = 85,842,840,332,570,272
  5. Step 5: Solve for x
    x = 85,842,840,332,570,272/486,176,781.60
  6. Step 6: Final answer
    x = 176,567,132.74

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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.