Home / 251,691,984,904.89-377,597,520,597.49-81,711,245,356.14

Finding the Fourth Proportional to 251,691,984,904.89, 377,597,520,597.49 and 81,711,245,356.14

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Solution

The fourth proportional to 251,691,984,904.89, 377,597,520,597.49 and 81,711,245,356.14 is: 122,586,198,615.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,691,984,904.89 : 377,597,520,597.49 = 81,711,245,356.14 : x
  2. Step 2: Convert to fraction form
    251,691,984,904.89/377,597,520,597.49 = 81,711,245,356.14/x
  3. Step 3: Cross multiply
    251,691,984,904.89x = 377,597,520,597.49 × 81,711,245,356.14
  4. Step 4: Simplify right side
    251,691,984,904.89x = 30,853,963,651,411,630,620,672
  5. Step 5: Solve for x
    x = 30,853,963,651,411,630,620,672/251,691,984,904.89
  6. Step 6: Final answer
    x = 122,586,198,615.23

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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.