Home / 47,561,619,227.76-71,340,813,063.36-12,189,321,972.72

Finding the Fourth Proportional to 47,561,619,227.76, 71,340,813,063.36 and 12,189,321,972.72

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Solution

The fourth proportional to 47,561,619,227.76, 71,340,813,063.36 and 12,189,321,972.72 is: 18,283,568,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,561,619,227.76 : 71,340,813,063.36 = 12,189,321,972.72 : x
  2. Step 2: Convert to fraction form
    47,561,619,227.76/71,340,813,063.36 = 12,189,321,972.72/x
  3. Step 3: Cross multiply
    47,561,619,227.76x = 71,340,813,063.36 × 12,189,321,972.72
  4. Step 4: Simplify right side
    47,561,619,227.76x = 869,596,140,224,923,959,296
  5. Step 5: Solve for x
    x = 869,596,140,224,923,959,296/47,561,619,227.76
  6. Step 6: Final answer
    x = 18,283,568,859.60

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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.