Home / 257,520,010.20-386,280,015.30-228,854,563.80

Finding the Fourth Proportional to 257,520,010.20, 386,280,015.30 and 228,854,563.80

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Solution

The fourth proportional to 257,520,010.20, 386,280,015.30 and 228,854,563.80 is: 343,281,845.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,520,010.20 : 386,280,015.30 = 228,854,563.80 : x
  2. Step 2: Convert to fraction form
    257,520,010.20/386,280,015.30 = 228,854,563.80/x
  3. Step 3: Cross multiply
    257,520,010.20x = 386,280,015.30 × 228,854,563.80
  4. Step 4: Simplify right side
    257,520,010.20x = 88,401,944,406,138,832
  5. Step 5: Solve for x
    x = 88,401,944,406,138,832/257,520,010.20
  6. Step 6: Final answer
    x = 343,281,845.70

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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.