Home / 489,305,842.20-733,958,763.30-271,627,608.60

Finding the Fourth Proportional to 489,305,842.20, 733,958,763.30 and 271,627,608.60

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Solution

The fourth proportional to 489,305,842.20, 733,958,763.30 and 271,627,608.60 is: 407,441,412.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,305,842.20 : 733,958,763.30 = 271,627,608.60 : x
  2. Step 2: Convert to fraction form
    489,305,842.20/733,958,763.30 = 271,627,608.60/x
  3. Step 3: Cross multiply
    489,305,842.20x = 733,958,763.30 × 271,627,608.60
  4. Step 4: Simplify right side
    489,305,842.20x = 199,363,463,686,192,448
  5. Step 5: Solve for x
    x = 199,363,463,686,192,448/489,305,842.20
  6. Step 6: Final answer
    x = 407,441,412.90

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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.