Home / 1,295,079,188.28-1,941,661,400.34-672,400,397.88

Finding the Fourth Proportional to 1,295,079,188.28, 1,941,661,400.34 and 672,400,397.88

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Solution

The fourth proportional to 1,295,079,188.28, 1,941,661,400.34 and 672,400,397.88 is: 1,008,103,527.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,079,188.28 : 1,941,661,400.34 = 672,400,397.88 : x
  2. Step 2: Convert to fraction form
    1,295,079,188.28/1,941,661,400.34 = 672,400,397.88/x
  3. Step 3: Cross multiply
    1,295,079,188.28x = 1,941,661,400.34 × 672,400,397.88
  4. Step 4: Simplify right side
    1,295,079,188.28x = 1,305,573,898,136,854,016
  5. Step 5: Solve for x
    x = 1,305,573,898,136,854,016/1,295,079,188.28
  6. Step 6: Final answer
    x = 1,008,103,527.53

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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.