Home / 354,825,348.80-532,238,023.20-259,273,860.80

Finding the Fourth Proportional to 354,825,348.80, 532,238,023.20 and 259,273,860.80

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Solution

The fourth proportional to 354,825,348.80, 532,238,023.20 and 259,273,860.80 is: 388,910,791.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,825,348.80 : 532,238,023.20 = 259,273,860.80 : x
  2. Step 2: Convert to fraction form
    354,825,348.80/532,238,023.20 = 259,273,860.80/x
  3. Step 3: Cross multiply
    354,825,348.80x = 532,238,023.20 × 259,273,860.80
  4. Step 4: Simplify right side
    354,825,348.80x = 137,995,407,139,623,968
  5. Step 5: Solve for x
    x = 137,995,407,139,623,968/354,825,348.80
  6. Step 6: Final answer
    x = 388,910,791.20

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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.