Home / 479,131,606.80-661,203,610.20-259,115,032.80

Finding the Fourth Proportional to 479,131,606.80, 661,203,610.20 and 259,115,032.80

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Solution

The fourth proportional to 479,131,606.80, 661,203,610.20 and 259,115,032.80 is: 357,579,822.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,131,606.80 : 661,203,610.20 = 259,115,032.80 : x
  2. Step 2: Convert to fraction form
    479,131,606.80/661,203,610.20 = 259,115,032.80/x
  3. Step 3: Cross multiply
    479,131,606.80x = 661,203,610.20 × 259,115,032.80
  4. Step 4: Simplify right side
    479,131,606.80x = 171,327,795,144,451,424
  5. Step 5: Solve for x
    x = 171,327,795,144,451,424/479,131,606.80
  6. Step 6: Final answer
    x = 357,579,822.98

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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.