Home / 469,801,571.28-648,179,902.20-271,490,819.28

Finding the Fourth Proportional to 469,801,571.28, 648,179,902.20 and 271,490,819.28

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Solution

The fourth proportional to 469,801,571.28, 648,179,902.20 and 271,490,819.28 is: 374,572,805.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,801,571.28 : 648,179,902.20 = 271,490,819.28 : x
  2. Step 2: Convert to fraction form
    469,801,571.28/648,179,902.20 = 271,490,819.28/x
  3. Step 3: Cross multiply
    469,801,571.28x = 648,179,902.20 × 271,490,819.28
  4. Step 4: Simplify right side
    469,801,571.28x = 175,974,892,689,108,256
  5. Step 5: Solve for x
    x = 175,974,892,689,108,256/469,801,571.28
  6. Step 6: Final answer
    x = 374,572,805.73

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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.