Home / 323,726,533.20-485,589,799.80-289,714,309.20

Finding the Fourth Proportional to 323,726,533.20, 485,589,799.80 and 289,714,309.20

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Solution

The fourth proportional to 323,726,533.20, 485,589,799.80 and 289,714,309.20 is: 434,571,463.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,726,533.20 : 485,589,799.80 = 289,714,309.20 : x
  2. Step 2: Convert to fraction form
    323,726,533.20/485,589,799.80 = 289,714,309.20/x
  3. Step 3: Cross multiply
    323,726,533.20x = 485,589,799.80 × 289,714,309.20
  4. Step 4: Simplify right side
    323,726,533.20x = 140,682,313,403,623,296
  5. Step 5: Solve for x
    x = 140,682,313,403,623,296/323,726,533.20
  6. Step 6: Final answer
    x = 434,571,463.80

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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.