Home / 325,998,481.87-449,837,044.72-220,381,669

Finding the Fourth Proportional to 325,998,481.87, 449,837,044.72 and 220,381,669

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Solution

The fourth proportional to 325,998,481.87, 449,837,044.72 and 220,381,669 is: 304,099,080.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,998,481.87 : 449,837,044.72 = 220,381,669 : x
  2. Step 2: Convert to fraction form
    325,998,481.87/449,837,044.72 = 220,381,669/x
  3. Step 3: Cross multiply
    325,998,481.87x = 449,837,044.72 × 220,381,669
  4. Step 4: Simplify right side
    325,998,481.87x = 99,135,838,693,421,248
  5. Step 5: Solve for x
    x = 99,135,838,693,421,248/325,998,481.87
  6. Step 6: Final answer
    x = 304,099,080.84

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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.