Home / 472,392,800.80-708,589,201.20-326,518,151.20

Finding the Fourth Proportional to 472,392,800.80, 708,589,201.20 and 326,518,151.20

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Solution

The fourth proportional to 472,392,800.80, 708,589,201.20 and 326,518,151.20 is: 489,777,226.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,800.80 : 708,589,201.20 = 326,518,151.20 : x
  2. Step 2: Convert to fraction form
    472,392,800.80/708,589,201.20 = 326,518,151.20/x
  3. Step 3: Cross multiply
    472,392,800.80x = 708,589,201.20 × 326,518,151.20
  4. Step 4: Simplify right side
    472,392,800.80x = 231,367,235,936,108,832
  5. Step 5: Solve for x
    x = 231,367,235,936,108,832/472,392,800.80
  6. Step 6: Final answer
    x = 489,777,226.80

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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.