Home / 251,691,984,902.39-377,597,520,593.73-81,711,245,353.63

Finding the Fourth Proportional to 251,691,984,902.39, 377,597,520,593.73 and 81,711,245,353.63

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Solution

The fourth proportional to 251,691,984,902.39, 377,597,520,593.73 and 81,711,245,353.63 is: 122,586,198,611.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,691,984,902.39 : 377,597,520,593.73 = 81,711,245,353.63 : x
  2. Step 2: Convert to fraction form
    251,691,984,902.39/377,597,520,593.73 = 81,711,245,353.63/x
  3. Step 3: Cross multiply
    251,691,984,902.39x = 377,597,520,593.73 × 81,711,245,353.63
  4. Step 4: Simplify right side
    251,691,984,902.39x = 30,853,963,650,157,382,729,728
  5. Step 5: Solve for x
    x = 30,853,963,650,157,382,729,728/251,691,984,902.39
  6. Step 6: Final answer
    x = 122,586,198,611.46

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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.