Home / 323,525,632.80-485,288,449.20-305,669,215.20

Finding the Fourth Proportional to 323,525,632.80, 485,288,449.20 and 305,669,215.20

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Solution

The fourth proportional to 323,525,632.80, 485,288,449.20 and 305,669,215.20 is: 458,503,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,525,632.80 : 485,288,449.20 = 305,669,215.20 : x
  2. Step 2: Convert to fraction form
    323,525,632.80/485,288,449.20 = 305,669,215.20/x
  3. Step 3: Cross multiply
    323,525,632.80x = 485,288,449.20 × 305,669,215.20
  4. Step 4: Simplify right side
    323,525,632.80x = 148,337,739,412,589,056
  5. Step 5: Solve for x
    x = 148,337,739,412,589,056/323,525,632.80
  6. Step 6: Final answer
    x = 458,503,822.80

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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.