Home / 355,253,228.45-490,267,842.26-204,568,266.88

Finding the Fourth Proportional to 355,253,228.45, 490,267,842.26 and 204,568,266.88

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Solution

The fourth proportional to 355,253,228.45, 490,267,842.26 and 204,568,266.88 is: 282,314,796.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,253,228.45 : 490,267,842.26 = 204,568,266.88 : x
  2. Step 2: Convert to fraction form
    355,253,228.45/490,267,842.26 = 204,568,266.88/x
  3. Step 3: Cross multiply
    355,253,228.45x = 490,267,842.26 × 204,568,266.88
  4. Step 4: Simplify right side
    355,253,228.45x = 100,293,242,800,242,736
  5. Step 5: Solve for x
    x = 100,293,242,800,242,736/355,253,228.45
  6. Step 6: Final answer
    x = 282,314,796.23

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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.