Home / 10,086,016,785.78-15,138,205,932.78-5,368,299,440.43

Finding the Fourth Proportional to 10,086,016,785.78, 15,138,205,932.78 and 5,368,299,440.43

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Solution

The fourth proportional to 10,086,016,785.78, 15,138,205,932.78 and 5,368,299,440.43 is: 8,057,335,632.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,086,016,785.78 : 15,138,205,932.78 = 5,368,299,440.43 : x
  2. Step 2: Convert to fraction form
    10,086,016,785.78/15,138,205,932.78 = 5,368,299,440.43/x
  3. Step 3: Cross multiply
    10,086,016,785.78x = 15,138,205,932.78 × 5,368,299,440.43
  4. Step 4: Simplify right side
    10,086,016,785.78x = 81,266,422,438,056,984,576
  5. Step 5: Solve for x
    x = 81,266,422,438,056,984,576/10,086,016,785.78
  6. Step 6: Final answer
    x = 8,057,335,632.50

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1.5x scale

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.