Home / 355,555,760.58-490,667,999.37-196,796,910.24

Finding the Fourth Proportional to 355,555,760.58, 490,667,999.37 and 196,796,910.24

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Solution

The fourth proportional to 355,555,760.58, 490,667,999.37 and 196,796,910.24 is: 271,580,317.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,555,760.58 : 490,667,999.37 = 196,796,910.24 : x
  2. Step 2: Convert to fraction form
    355,555,760.58/490,667,999.37 = 196,796,910.24/x
  3. Step 3: Cross multiply
    355,555,760.58x = 490,667,999.37 × 196,796,910.24
  4. Step 4: Simplify right side
    355,555,760.58x = 96,561,946,230,760,288
  5. Step 5: Solve for x
    x = 96,561,946,230,760,288/355,555,760.58
  6. Step 6: Final answer
    x = 271,580,317.17

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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.