Home / 10,385,515,114.72-15,578,392,344.69-3,753,647,916.64

Finding the Fourth Proportional to 10,385,515,114.72, 15,578,392,344.69 and 3,753,647,916.64

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Solution

The fourth proportional to 10,385,515,114.72, 15,578,392,344.69 and 3,753,647,916.64 is: 5,630,515,128.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385,515,114.72 : 15,578,392,344.69 = 3,753,647,916.64 : x
  2. Step 2: Convert to fraction form
    10,385,515,114.72/15,578,392,344.69 = 3,753,647,916.64/x
  3. Step 3: Cross multiply
    10,385,515,114.72x = 15,578,392,344.69 × 3,753,647,916.64
  4. Step 4: Simplify right side
    10,385,515,114.72x = 58,475,799,969,246,142,464
  5. Step 5: Solve for x
    x = 58,475,799,969,246,142,464/10,385,515,114.72
  6. Step 6: Final answer
    x = 5,630,515,128.36

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Double scale
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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.