Home / 10,385,515,115.97-15,578,392,346.57-3,753,647,917.89

Finding the Fourth Proportional to 10,385,515,115.97, 15,578,392,346.57 and 3,753,647,917.89

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Solution

The fourth proportional to 10,385,515,115.97, 15,578,392,346.57 and 3,753,647,917.89 is: 5,630,515,130.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385,515,115.97 : 15,578,392,346.57 = 3,753,647,917.89 : x
  2. Step 2: Convert to fraction form
    10,385,515,115.97/15,578,392,346.57 = 3,753,647,917.89/x
  3. Step 3: Cross multiply
    10,385,515,115.97x = 15,578,392,346.57 × 3,753,647,917.89
  4. Step 4: Simplify right side
    10,385,515,115.97x = 58,475,799,995,757,223,936
  5. Step 5: Solve for x
    x = 58,475,799,995,757,223,936/10,385,515,115.97
  6. Step 6: Final answer
    x = 5,630,515,130.24

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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.