Home / 356,203,567,104.86-491,561,239,351.78-193,623,213,011.52

Finding the Fourth Proportional to 356,203,567,104.86, 491,561,239,351.78 and 193,623,213,011.52

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Solution

The fourth proportional to 356,203,567,104.86, 491,561,239,351.78 and 193,623,213,011.52 is: 267,200,206,131.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,203,567,104.86 : 491,561,239,351.78 = 193,623,213,011.52 : x
  2. Step 2: Convert to fraction form
    356,203,567,104.86/491,561,239,351.78 = 193,623,213,011.52/x
  3. Step 3: Cross multiply
    356,203,567,104.86x = 491,561,239,351.78 × 193,623,213,011.52
  4. Step 4: Simplify right side
    356,203,567,104.86x = 95,177,666,555,216,463,396,864
  5. Step 5: Solve for x
    x = 95,177,666,555,216,463,396,864/356,203,567,104.86
  6. Step 6: Final answer
    x = 267,200,206,131.56

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1.5x scale

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.