Home / 13,938,192,805.20-20,892,401,842.11-7,949,425,362.89

Finding the Fourth Proportional to 13,938,192,805.20, 20,892,401,842.11 and 7,949,425,362.89

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Solution

The fourth proportional to 13,938,192,805.20, 20,892,401,842.11 and 7,949,425,362.89 is: 11,915,647,273.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,938,192,805.20 : 20,892,401,842.11 = 7,949,425,362.89 : x
  2. Step 2: Convert to fraction form
    13,938,192,805.20/20,892,401,842.11 = 7,949,425,362.89/x
  3. Step 3: Cross multiply
    13,938,192,805.20x = 20,892,401,842.11 × 7,949,425,362.89
  4. Step 4: Simplify right side
    13,938,192,805.20x = 166,082,589,095,254,523,904
  5. Step 5: Solve for x
    x = 166,082,589,095,254,523,904/13,938,192,805.20
  6. Step 6: Final answer
    x = 11,915,647,273.39

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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.