Home / 2,278,077,974.28-3,143,869,669.14-1,274,435,669.88

Finding the Fourth Proportional to 2,278,077,974.28, 3,143,869,669.14 and 1,274,435,669.88

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Solution

The fourth proportional to 2,278,077,974.28, 3,143,869,669.14 and 1,274,435,669.88 is: 1,758,789,511.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,077,974.28 : 3,143,869,669.14 = 1,274,435,669.88 : x
  2. Step 2: Convert to fraction form
    2,278,077,974.28/3,143,869,669.14 = 1,274,435,669.88/x
  3. Step 3: Cross multiply
    2,278,077,974.28x = 3,143,869,669.14 × 1,274,435,669.88
  4. Step 4: Simplify right side
    2,278,077,974.28x = 4,006,659,647,805,850,112
  5. Step 5: Solve for x
    x = 4,006,659,647,805,850,112/2,278,077,974.28
  6. Step 6: Final answer
    x = 1,758,789,511.62

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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.