Home / 218,361,879.60-327,542,819.40-198,206,487.60

Finding the Fourth Proportional to 218,361,879.60, 327,542,819.40 and 198,206,487.60

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Solution

The fourth proportional to 218,361,879.60, 327,542,819.40 and 198,206,487.60 is: 297,309,731.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,361,879.60 : 327,542,819.40 = 198,206,487.60 : x
  2. Step 2: Convert to fraction form
    218,361,879.60/327,542,819.40 = 198,206,487.60/x
  3. Step 3: Cross multiply
    218,361,879.60x = 327,542,819.40 × 198,206,487.60
  4. Step 4: Simplify right side
    218,361,879.60x = 64,921,111,771,875,136
  5. Step 5: Solve for x
    x = 64,921,111,771,875,136/218,361,879.60
  6. Step 6: Final answer
    x = 297,309,731.40

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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.