Home / 3,781,067,451.82-5,218,330,632.20-2,151,986,371.98

Finding the Fourth Proportional to 3,781,067,451.82, 5,218,330,632.20 and 2,151,986,371.98

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Solution

The fourth proportional to 3,781,067,451.82, 5,218,330,632.20 and 2,151,986,371.98 is: 2,970,001,606.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781,067,451.82 : 5,218,330,632.20 = 2,151,986,371.98 : x
  2. Step 2: Convert to fraction form
    3,781,067,451.82/5,218,330,632.20 = 2,151,986,371.98/x
  3. Step 3: Cross multiply
    3,781,067,451.82x = 5,218,330,632.20 × 2,151,986,371.98
  4. Step 4: Simplify right side
    3,781,067,451.82x = 11,229,776,404,980,176,896
  5. Step 5: Solve for x
    x = 11,229,776,404,980,176,896/3,781,067,451.82
  6. Step 6: Final answer
    x = 2,970,001,606.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.