Home / 763,392,022.80-1,145,088,034.20-711,995,773.20

Finding the Fourth Proportional to 763,392,022.80, 1,145,088,034.20 and 711,995,773.20

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Solution

The fourth proportional to 763,392,022.80, 1,145,088,034.20 and 711,995,773.20 is: 1,067,993,659.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,392,022.80 : 1,145,088,034.20 = 711,995,773.20 : x
  2. Step 2: Convert to fraction form
    763,392,022.80/1,145,088,034.20 = 711,995,773.20/x
  3. Step 3: Cross multiply
    763,392,022.80x = 1,145,088,034.20 × 711,995,773.20
  4. Step 4: Simplify right side
    763,392,022.80x = 815,297,840,292,297,088
  5. Step 5: Solve for x
    x = 815,297,840,292,297,088/763,392,022.80
  6. Step 6: Final answer
    x = 1,067,993,659.80

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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.