Home / 18,193,726,415.20-27,290,589,622.80-5,107,523,231.20

Finding the Fourth Proportional to 18,193,726,415.20, 27,290,589,622.80 and 5,107,523,231.20

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Solution

The fourth proportional to 18,193,726,415.20, 27,290,589,622.80 and 5,107,523,231.20 is: 7,661,284,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,193,726,415.20 : 27,290,589,622.80 = 5,107,523,231.20 : x
  2. Step 2: Convert to fraction form
    18,193,726,415.20/27,290,589,622.80 = 5,107,523,231.20/x
  3. Step 3: Cross multiply
    18,193,726,415.20x = 27,290,589,622.80 × 5,107,523,231.20
  4. Step 4: Simplify right side
    18,193,726,415.20x = 139,387,320,491,596,627,968
  5. Step 5: Solve for x
    x = 139,387,320,491,596,627,968/18,193,726,415.20
  6. Step 6: Final answer
    x = 7,661,284,846.80

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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.