Home / 3,904,245,233.22-5,387,838,909.11-2,120,082,798.30

Finding the Fourth Proportional to 3,904,245,233.22, 5,387,838,909.11 and 2,120,082,798.30

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Solution

The fourth proportional to 3,904,245,233.22, 5,387,838,909.11 and 2,120,082,798.30 is: 2,925,703,665.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904,245,233.22 : 5,387,838,909.11 = 2,120,082,798.30 : x
  2. Step 2: Convert to fraction form
    3,904,245,233.22/5,387,838,909.11 = 2,120,082,798.30/x
  3. Step 3: Cross multiply
    3,904,245,233.22x = 5,387,838,909.11 × 2,120,082,798.30
  4. Step 4: Simplify right side
    3,904,245,233.22x = 11,422,664,591,215,546,368
  5. Step 5: Solve for x
    x = 11,422,664,591,215,546,368/3,904,245,233.22
  6. Step 6: Final answer
    x = 2,925,703,665.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.