Home / 10,385,515,113.20-15,578,392,342.45-3,753,647,915.12

Finding the Fourth Proportional to 10,385,515,113.20, 15,578,392,342.45 and 3,753,647,915.12

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Solution

The fourth proportional to 10,385,515,113.20, 15,578,392,342.45 and 3,753,647,915.12 is: 5,630,515,126.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385,515,113.20 : 15,578,392,342.45 = 3,753,647,915.12 : x
  2. Step 2: Convert to fraction form
    10,385,515,113.20/15,578,392,342.45 = 3,753,647,915.12/x
  3. Step 3: Cross multiply
    10,385,515,113.20x = 15,578,392,342.45 × 3,753,647,915.12
  4. Step 4: Simplify right side
    10,385,515,113.20x = 58,475,799,937,158,815,744
  5. Step 5: Solve for x
    x = 58,475,799,937,158,815,744/10,385,515,113.20
  6. Step 6: Final answer
    x = 5,630,515,126.09

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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.