Home / 863,175,221.82-1,191,290,903.91-566,067,422.70

Finding the Fourth Proportional to 863,175,221.82, 1,191,290,903.91 and 566,067,422.70

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Solution

The fourth proportional to 863,175,221.82, 1,191,290,903.91 and 566,067,422.70 is: 781,244,589.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,175,221.82 : 1,191,290,903.91 = 566,067,422.70 : x
  2. Step 2: Convert to fraction form
    863,175,221.82/1,191,290,903.91 = 566,067,422.70/x
  3. Step 3: Cross multiply
    863,175,221.82x = 1,191,290,903.91 × 566,067,422.70
  4. Step 4: Simplify right side
    863,175,221.82x = 674,350,971,662,287,104
  5. Step 5: Solve for x
    x = 674,350,971,662,287,104/863,175,221.82
  6. Step 6: Final answer
    x = 781,244,589.30

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Double scale
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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.