Home / 331,921,990.80-497,882,986.20-251,300,422.80

Finding the Fourth Proportional to 331,921,990.80, 497,882,986.20 and 251,300,422.80

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Solution

The fourth proportional to 331,921,990.80, 497,882,986.20 and 251,300,422.80 is: 376,950,634.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,921,990.80 : 497,882,986.20 = 251,300,422.80 : x
  2. Step 2: Convert to fraction form
    331,921,990.80/497,882,986.20 = 251,300,422.80/x
  3. Step 3: Cross multiply
    331,921,990.80x = 497,882,986.20 × 251,300,422.80
  4. Step 4: Simplify right side
    331,921,990.80x = 125,118,204,936,986,576
  5. Step 5: Solve for x
    x = 125,118,204,936,986,576/331,921,990.80
  6. Step 6: Final answer
    x = 376,950,634.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.