Home / 10,385,515,113.72-15,578,392,343.19-3,753,647,915.64

Finding the Fourth Proportional to 10,385,515,113.72, 15,578,392,343.19 and 3,753,647,915.64

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Solution

The fourth proportional to 10,385,515,113.72, 15,578,392,343.19 and 3,753,647,915.64 is: 5,630,515,126.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385,515,113.72 : 15,578,392,343.19 = 3,753,647,915.64 : x
  2. Step 2: Convert to fraction form
    10,385,515,113.72/15,578,392,343.19 = 3,753,647,915.64/x
  3. Step 3: Cross multiply
    10,385,515,113.72x = 15,578,392,343.19 × 3,753,647,915.64
  4. Step 4: Simplify right side
    10,385,515,113.72x = 58,475,799,948,037,275,648
  5. Step 5: Solve for x
    x = 58,475,799,948,037,275,648/10,385,515,113.72
  6. Step 6: Final answer
    x = 5,630,515,126.86

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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.