Home / 8,191,144,974.20-11,303,699,589.79-4,431,873,057.80

Finding the Fourth Proportional to 8,191,144,974.20, 11,303,699,589.79 and 4,431,873,057.80

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Solution

The fourth proportional to 8,191,144,974.20, 11,303,699,589.79 and 4,431,873,057.80 is: 6,115,941,278.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,191,144,974.20 : 11,303,699,589.79 = 4,431,873,057.80 : x
  2. Step 2: Convert to fraction form
    8,191,144,974.20/11,303,699,589.79 = 4,431,873,057.80/x
  3. Step 3: Cross multiply
    8,191,144,974.20x = 11,303,699,589.79 × 4,431,873,057.80
  4. Step 4: Simplify right side
    8,191,144,974.20x = 50,096,561,665,385,406,464
  5. Step 5: Solve for x
    x = 50,096,561,665,385,406,464/8,191,144,974.20
  6. Step 6: Final answer
    x = 6,115,941,278.44

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.