Home / 260,673,310.80-391,427,758.20-207,264,747.60

Finding the Fourth Proportional to 260,673,310.80, 391,427,758.20 and 207,264,747.60

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Solution

The fourth proportional to 260,673,310.80, 391,427,758.20 and 207,264,747.60 is: 311,229,313.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,673,310.80 : 391,427,758.20 = 207,264,747.60 : x
  2. Step 2: Convert to fraction form
    260,673,310.80/391,427,758.20 = 207,264,747.60/x
  3. Step 3: Cross multiply
    260,673,310.80x = 391,427,758.20 × 207,264,747.60
  4. Step 4: Simplify right side
    260,673,310.80x = 81,129,175,506,956,832
  5. Step 5: Solve for x
    x = 81,129,175,506,956,832/260,673,310.80
  6. Step 6: Final answer
    x = 311,229,313.27

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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.