Home / 323,726,560.20-485,589,840.30-289,714,336.20

Finding the Fourth Proportional to 323,726,560.20, 485,589,840.30 and 289,714,336.20

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Solution

The fourth proportional to 323,726,560.20, 485,589,840.30 and 289,714,336.20 is: 434,571,504.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,726,560.20 : 485,589,840.30 = 289,714,336.20 : x
  2. Step 2: Convert to fraction form
    323,726,560.20/485,589,840.30 = 289,714,336.20/x
  3. Step 3: Cross multiply
    323,726,560.20x = 485,589,840.30 × 289,714,336.20
  4. Step 4: Simplify right side
    323,726,560.20x = 140,682,338,247,978,512
  5. Step 5: Solve for x
    x = 140,682,338,247,978,512/323,726,560.20
  6. Step 6: Final answer
    x = 434,571,504.30

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1.5x scale

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.