Home / 351,900,806.20-527,403,311.70-313,381,612.60

Finding the Fourth Proportional to 351,900,806.20, 527,403,311.70 and 313,381,612.60

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Solution

The fourth proportional to 351,900,806.20, 527,403,311.70 and 313,381,612.60 is: 469,673,548.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,900,806.20 : 527,403,311.70 = 313,381,612.60 : x
  2. Step 2: Convert to fraction form
    351,900,806.20/527,403,311.70 = 313,381,612.60/x
  3. Step 3: Cross multiply
    351,900,806.20x = 527,403,311.70 × 313,381,612.60
  4. Step 4: Simplify right side
    351,900,806.20x = 165,278,500,311,126,464
  5. Step 5: Solve for x
    x = 165,278,500,311,126,464/351,900,806.20
  6. Step 6: Final answer
    x = 469,673,548.34

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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.