Home / 272,373,740.20-408,560,610.30-251,328,676.60

Finding the Fourth Proportional to 272,373,740.20, 408,560,610.30 and 251,328,676.60

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Solution

The fourth proportional to 272,373,740.20, 408,560,610.30 and 251,328,676.60 is: 376,993,014.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,373,740.20 : 408,560,610.30 = 251,328,676.60 : x
  2. Step 2: Convert to fraction form
    272,373,740.20/408,560,610.30 = 251,328,676.60/x
  3. Step 3: Cross multiply
    272,373,740.20x = 408,560,610.30 × 251,328,676.60
  4. Step 4: Simplify right side
    272,373,740.20x = 102,682,997,497,587,328
  5. Step 5: Solve for x
    x = 102,682,997,497,587,328/272,373,740.20
  6. Step 6: Final answer
    x = 376,993,014.90

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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.