Home / 252,780,950,770.21-379,131,063,861.75-73,665,040,391.13

Finding the Fourth Proportional to 252,780,950,770.21, 379,131,063,861.75 and 73,665,040,391.13

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Solution

The fourth proportional to 252,780,950,770.21, 379,131,063,861.75 and 73,665,040,391.13 is: 110,485,798,268.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,780,950,770.21 : 379,131,063,861.75 = 73,665,040,391.13 : x
  2. Step 2: Convert to fraction form
    252,780,950,770.21/379,131,063,861.75 = 73,665,040,391.13/x
  3. Step 3: Cross multiply
    252,780,950,770.21x = 379,131,063,861.75 × 73,665,040,391.13
  4. Step 4: Simplify right side
    252,780,950,770.21x = 27,928,705,132,906,005,135,360
  5. Step 5: Solve for x
    x = 27,928,705,132,906,005,135,360/252,780,950,770.21
  6. Step 6: Final answer
    x = 110,485,798,268.46

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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.