Home / 1,311,714,760.32-1,967,501,177.28-665,465,708.16

Finding the Fourth Proportional to 1,311,714,760.32, 1,967,501,177.28 and 665,465,708.16

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Solution

The fourth proportional to 1,311,714,760.32, 1,967,501,177.28 and 665,465,708.16 is: 998,162,560.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,714,760.32 : 1,967,501,177.28 = 665,465,708.16 : x
  2. Step 2: Convert to fraction form
    1,311,714,760.32/1,967,501,177.28 = 665,465,708.16/x
  3. Step 3: Cross multiply
    1,311,714,760.32x = 1,967,501,177.28 × 665,465,708.16
  4. Step 4: Simplify right side
    1,311,714,760.32x = 1,309,304,564,244,268,800
  5. Step 5: Solve for x
    x = 1,309,304,564,244,268,800/1,311,714,760.32
  6. Step 6: Final answer
    x = 998,162,560.83

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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.