Home / 436,629,273.40-654,943,910.10-218,313,310.60

Finding the Fourth Proportional to 436,629,273.40, 654,943,910.10 and 218,313,310.60

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Solution

The fourth proportional to 436,629,273.40, 654,943,910.10 and 218,313,310.60 is: 327,469,965.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,629,273.40 : 654,943,910.10 = 218,313,310.60 : x
  2. Step 2: Convert to fraction form
    436,629,273.40/654,943,910.10 = 218,313,310.60/x
  3. Step 3: Cross multiply
    436,629,273.40x = 654,943,910.10 × 218,313,310.60
  4. Step 4: Simplify right side
    436,629,273.40x = 142,982,973,271,239,776
  5. Step 5: Solve for x
    x = 142,982,973,271,239,776/436,629,273.40
  6. Step 6: Final answer
    x = 327,469,965.90

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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.