Home / 47,561,619,218.76-71,340,813,049.86-12,189,321,963.72

Finding the Fourth Proportional to 47,561,619,218.76, 71,340,813,049.86 and 12,189,321,963.72

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Solution

The fourth proportional to 47,561,619,218.76, 71,340,813,049.86 and 12,189,321,963.72 is: 18,283,568,846.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,561,619,218.76 : 71,340,813,049.86 = 12,189,321,963.72 : x
  2. Step 2: Convert to fraction form
    47,561,619,218.76/71,340,813,049.86 = 12,189,321,963.72/x
  3. Step 3: Cross multiply
    47,561,619,218.76x = 71,340,813,049.86 × 12,189,321,963.72
  4. Step 4: Simplify right side
    47,561,619,218.76x = 869,596,139,418,300,841,984
  5. Step 5: Solve for x
    x = 869,596,139,418,300,841,984/47,561,619,218.76
  6. Step 6: Final answer
    x = 18,283,568,846.10

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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.