Home / 545,131,013.40-817,696,520.10-327,452,779.80

Finding the Fourth Proportional to 545,131,013.40, 817,696,520.10 and 327,452,779.80

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Solution

The fourth proportional to 545,131,013.40, 817,696,520.10 and 327,452,779.80 is: 491,179,169.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,131,013.40 : 817,696,520.10 = 327,452,779.80 : x
  2. Step 2: Convert to fraction form
    545,131,013.40/817,696,520.10 = 327,452,779.80/x
  3. Step 3: Cross multiply
    545,131,013.40x = 817,696,520.10 × 327,452,779.80
  4. Step 4: Simplify right side
    545,131,013.40x = 267,756,998,539,531,584
  5. Step 5: Solve for x
    x = 267,756,998,539,531,584/545,131,013.40
  6. Step 6: Final answer
    x = 491,179,169.70

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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.