Home / 324,469,850.72-447,768,391.84-177,788,985.44

Finding the Fourth Proportional to 324,469,850.72, 447,768,391.84 and 177,788,985.44

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Solution

The fourth proportional to 324,469,850.72, 447,768,391.84 and 177,788,985.44 is: 245,348,798.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,469,850.72 : 447,768,391.84 = 177,788,985.44 : x
  2. Step 2: Convert to fraction form
    324,469,850.72/447,768,391.84 = 177,788,985.44/x
  3. Step 3: Cross multiply
    324,469,850.72x = 447,768,391.84 × 177,788,985.44
  4. Step 4: Simplify right side
    324,469,850.72x = 79,608,288,097,333,968
  5. Step 5: Solve for x
    x = 79,608,288,097,333,968/324,469,850.72
  6. Step 6: Final answer
    x = 245,348,798.73

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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.