Home / 28,278,469,536.28-42,422,062,784.86-9,641,606,912.92

Finding the Fourth Proportional to 28,278,469,536.28, 42,422,062,784.86 and 9,641,606,912.92

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Solution

The fourth proportional to 28,278,469,536.28, 42,422,062,784.86 and 9,641,606,912.92 is: 14,463,896,402.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,278,469,536.28 : 42,422,062,784.86 = 9,641,606,912.92 : x
  2. Step 2: Convert to fraction form
    28,278,469,536.28/42,422,062,784.86 = 9,641,606,912.92/x
  3. Step 3: Cross multiply
    28,278,469,536.28x = 42,422,062,784.86 × 9,641,606,912.92
  4. Step 4: Simplify right side
    28,278,469,536.28x = 409,016,853,806,832,484,352
  5. Step 5: Solve for x
    x = 409,016,853,806,832,484,352/28,278,469,536.28
  6. Step 6: Final answer
    x = 14,463,896,402.95

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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.