Home / 352,351,179.46-486,134,928.03-203,618,115.46

Finding the Fourth Proportional to 352,351,179.46, 486,134,928.03 and 203,618,115.46

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Solution

The fourth proportional to 352,351,179.46, 486,134,928.03 and 203,618,115.46 is: 280,929,605.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,351,179.46 : 486,134,928.03 = 203,618,115.46 : x
  2. Step 2: Convert to fraction form
    352,351,179.46/486,134,928.03 = 203,618,115.46/x
  3. Step 3: Cross multiply
    352,351,179.46x = 486,134,928.03 × 203,618,115.46
  4. Step 4: Simplify right side
    352,351,179.46x = 98,985,877,904,751,328
  5. Step 5: Solve for x
    x = 98,985,877,904,751,328/352,351,179.46
  6. Step 6: Final answer
    x = 280,929,605.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.