Home / 324,469,856.72-447,768,400.12-177,788,991.44

Finding the Fourth Proportional to 324,469,856.72, 447,768,400.12 and 177,788,991.44

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Solution

The fourth proportional to 324,469,856.72, 447,768,400.12 and 177,788,991.44 is: 245,348,807.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,469,856.72 : 447,768,400.12 = 177,788,991.44 : x
  2. Step 2: Convert to fraction form
    324,469,856.72/447,768,400.12 = 177,788,991.44/x
  3. Step 3: Cross multiply
    324,469,856.72x = 447,768,400.12 × 177,788,991.44
  4. Step 4: Simplify right side
    324,469,856.72x = 79,608,292,256,037,168
  5. Step 5: Solve for x
    x = 79,608,292,256,037,168/324,469,856.72
  6. Step 6: Final answer
    x = 245,348,807.01

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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.