Home / 580,040,690.72-870,052,517.10-143,341,363.13

Finding the Fourth Proportional to 580,040,690.72, 870,052,517.10 and 143,341,363.13

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Solution

The fourth proportional to 580,040,690.72, 870,052,517.10 and 143,341,363.13 is: 215,009,939.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,040,690.72 : 870,052,517.10 = 143,341,363.13 : x
  2. Step 2: Convert to fraction form
    580,040,690.72/870,052,517.10 = 143,341,363.13/x
  3. Step 3: Cross multiply
    580,040,690.72x = 870,052,517.10 × 143,341,363.13
  4. Step 4: Simplify right side
    580,040,690.72x = 124,714,513,791,451,376
  5. Step 5: Solve for x
    x = 124,714,513,791,451,376/580,040,690.72
  6. Step 6: Final answer
    x = 215,009,939.45

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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.