Home / 251,691,984,905.64-377,597,520,598.62-81,711,245,356.88

Finding the Fourth Proportional to 251,691,984,905.64, 377,597,520,598.62 and 81,711,245,356.88

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Solution

The fourth proportional to 251,691,984,905.64, 377,597,520,598.62 and 81,711,245,356.88 is: 122,586,198,616.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,691,984,905.64 : 377,597,520,598.62 = 81,711,245,356.88 : x
  2. Step 2: Convert to fraction form
    251,691,984,905.64/377,597,520,598.62 = 81,711,245,356.88/x
  3. Step 3: Cross multiply
    251,691,984,905.64x = 377,597,520,598.62 × 81,711,245,356.88
  4. Step 4: Simplify right side
    251,691,984,905.64x = 30,853,963,651,783,388,561,408
  5. Step 5: Solve for x
    x = 30,853,963,651,783,388,561,408/251,691,984,905.64
  6. Step 6: Final answer
    x = 122,586,198,616.34

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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.