Home / 323,726,544.20-485,589,816.30-289,714,320.20

Finding the Fourth Proportional to 323,726,544.20, 485,589,816.30 and 289,714,320.20

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Solution

The fourth proportional to 323,726,544.20, 485,589,816.30 and 289,714,320.20 is: 434,571,480.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,726,544.20 : 485,589,816.30 = 289,714,320.20 : x
  2. Step 2: Convert to fraction form
    323,726,544.20/485,589,816.30 = 289,714,320.20/x
  3. Step 3: Cross multiply
    323,726,544.20x = 485,589,816.30 × 289,714,320.20
  4. Step 4: Simplify right side
    323,726,544.20x = 140,682,323,525,397,376
  5. Step 5: Solve for x
    x = 140,682,323,525,397,376/323,726,544.20
  6. Step 6: Final answer
    x = 434,571,480.30

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Similar ratio
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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.