Home / 841,232,540.20-1,260,720,860.52-654,711,695.92

Finding the Fourth Proportional to 841,232,540.20, 1,260,720,860.52 and 654,711,695.92

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Solution

The fourth proportional to 841,232,540.20, 1,260,720,860.52 and 654,711,695.92 is: 981,189,686.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,232,540.20 : 1,260,720,860.52 = 654,711,695.92 : x
  2. Step 2: Convert to fraction form
    841,232,540.20/1,260,720,860.52 = 654,711,695.92/x
  3. Step 3: Cross multiply
    841,232,540.20x = 1,260,720,860.52 × 654,711,695.92
  4. Step 4: Simplify right side
    841,232,540.20x = 825,408,692,672,770,944
  5. Step 5: Solve for x
    x = 825,408,692,672,770,944/841,232,540.20
  6. Step 6: Final answer
    x = 981,189,686.83

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1.5x scale

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.