Home / 1,145,164,937.60-1,718,251,291.20-531,433,251.20

Finding the Fourth Proportional to 1,145,164,937.60, 1,718,251,291.20 and 531,433,251.20

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Solution

The fourth proportional to 1,145,164,937.60, 1,718,251,291.20 and 531,433,251.20 is: 797,383,713.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,164,937.60 : 1,718,251,291.20 = 531,433,251.20 : x
  2. Step 2: Convert to fraction form
    1,145,164,937.60/1,718,251,291.20 = 531,433,251.20/x
  3. Step 3: Cross multiply
    1,145,164,937.60x = 1,718,251,291.20 × 531,433,251.20
  4. Step 4: Simplify right side
    1,145,164,937.60x = 913,135,870,061,014,016
  5. Step 5: Solve for x
    x = 913,135,870,061,014,016/1,145,164,937.60
  6. Step 6: Final answer
    x = 797,383,713.10

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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.