Home / 863,175,117.48-1,191,290,760.18-566,067,318.36

Finding the Fourth Proportional to 863,175,117.48, 1,191,290,760.18 and 566,067,318.36

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Solution

The fourth proportional to 863,175,117.48, 1,191,290,760.18 and 566,067,318.36 is: 781,244,445.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,175,117.48 : 1,191,290,760.18 = 566,067,318.36 : x
  2. Step 2: Convert to fraction form
    863,175,117.48/1,191,290,760.18 = 566,067,318.36/x
  3. Step 3: Cross multiply
    863,175,117.48x = 1,191,290,760.18 × 566,067,318.36
  4. Step 4: Simplify right side
    863,175,117.48x = 674,350,766,002,138,496
  5. Step 5: Solve for x
    x = 674,350,766,002,138,496/863,175,117.48
  6. Step 6: Final answer
    x = 781,244,445.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.