Home / 10,385,515,114.20-15,578,392,343.95-3,753,647,916.12

Finding the Fourth Proportional to 10,385,515,114.20, 15,578,392,343.95 and 3,753,647,916.12

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Solution

The fourth proportional to 10,385,515,114.20, 15,578,392,343.95 and 3,753,647,916.12 is: 5,630,515,127.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385,515,114.20 : 15,578,392,343.95 = 3,753,647,916.12 : x
  2. Step 2: Convert to fraction form
    10,385,515,114.20/15,578,392,343.95 = 3,753,647,916.12/x
  3. Step 3: Cross multiply
    10,385,515,114.20x = 15,578,392,343.95 × 3,753,647,916.12
  4. Step 4: Simplify right side
    10,385,515,114.20x = 58,475,799,958,367,682,560
  5. Step 5: Solve for x
    x = 58,475,799,958,367,682,560/10,385,515,114.20
  6. Step 6: Final answer
    x = 5,630,515,127.59

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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.