Home / 352,272,039.20-528,408,058.80-320,527,296.80

Finding the Fourth Proportional to 352,272,039.20, 528,408,058.80 and 320,527,296.80

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Solution

The fourth proportional to 352,272,039.20, 528,408,058.80 and 320,527,296.80 is: 480,790,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,272,039.20 : 528,408,058.80 = 320,527,296.80 : x
  2. Step 2: Convert to fraction form
    352,272,039.20/528,408,058.80 = 320,527,296.80/x
  3. Step 3: Cross multiply
    352,272,039.20x = 528,408,058.80 × 320,527,296.80
  4. Step 4: Simplify right side
    352,272,039.20x = 169,369,206,694,499,456
  5. Step 5: Solve for x
    x = 169,369,206,694,499,456/352,272,039.20
  6. Step 6: Final answer
    x = 480,790,945.20

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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.