Home / 324,469,854.72-447,768,397.36-177,788,989.44

Finding the Fourth Proportional to 324,469,854.72, 447,768,397.36 and 177,788,989.44

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Solution

The fourth proportional to 324,469,854.72, 447,768,397.36 and 177,788,989.44 is: 245,348,804.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,469,854.72 : 447,768,397.36 = 177,788,989.44 : x
  2. Step 2: Convert to fraction form
    324,469,854.72/447,768,397.36 = 177,788,989.44/x
  3. Step 3: Cross multiply
    324,469,854.72x = 447,768,397.36 × 177,788,989.44
  4. Step 4: Simplify right side
    324,469,854.72x = 79,608,290,869,802,768
  5. Step 5: Solve for x
    x = 79,608,290,869,802,768/324,469,854.72
  6. Step 6: Final answer
    x = 245,348,804.25

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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.