Home / 664,288,032.80-996,432,049.20-480,622,023.20

Finding the Fourth Proportional to 664,288,032.80, 996,432,049.20 and 480,622,023.20

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Solution

The fourth proportional to 664,288,032.80, 996,432,049.20 and 480,622,023.20 is: 720,933,034.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,288,032.80 : 996,432,049.20 = 480,622,023.20 : x
  2. Step 2: Convert to fraction form
    664,288,032.80/996,432,049.20 = 480,622,023.20/x
  3. Step 3: Cross multiply
    664,288,032.80x = 996,432,049.20 × 480,622,023.20
  4. Step 4: Simplify right side
    664,288,032.80x = 478,907,187,467,825,984
  5. Step 5: Solve for x
    x = 478,907,187,467,825,984/664,288,032.80
  6. Step 6: Final answer
    x = 720,933,034.80

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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.