Home / 260,794,511.60-391,248,221.15-79,055,394.80

Finding the Fourth Proportional to 260,794,511.60, 391,248,221.15 and 79,055,394.80

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Solution

The fourth proportional to 260,794,511.60, 391,248,221.15 and 79,055,394.80 is: 118,600,205.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,794,511.60 : 391,248,221.15 = 79,055,394.80 : x
  2. Step 2: Convert to fraction form
    260,794,511.60/391,248,221.15 = 79,055,394.80/x
  3. Step 3: Cross multiply
    260,794,511.60x = 391,248,221.15 × 79,055,394.80
  4. Step 4: Simplify right side
    260,794,511.60x = 30,930,282,586,052,356
  5. Step 5: Solve for x
    x = 30,930,282,586,052,356/260,794,511.60
  6. Step 6: Final answer
    x = 118,600,205.18

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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.