Home / 545,148,015.40-817,722,023.10-327,469,781.80

Finding the Fourth Proportional to 545,148,015.40, 817,722,023.10 and 327,469,781.80

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Solution

The fourth proportional to 545,148,015.40, 817,722,023.10 and 327,469,781.80 is: 491,204,672.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,148,015.40 : 817,722,023.10 = 327,469,781.80 : x
  2. Step 2: Convert to fraction form
    545,148,015.40/817,722,023.10 = 327,469,781.80/x
  3. Step 3: Cross multiply
    545,148,015.40x = 817,722,023.10 × 327,469,781.80
  4. Step 4: Simplify right side
    545,148,015.40x = 267,779,252,477,611,584
  5. Step 5: Solve for x
    x = 267,779,252,477,611,584/545,148,015.40
  6. Step 6: Final answer
    x = 491,204,672.70

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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.