Home / 323,472,235.20-485,208,352.80-221,435,563.20

Finding the Fourth Proportional to 323,472,235.20, 485,208,352.80 and 221,435,563.20

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Solution

The fourth proportional to 323,472,235.20, 485,208,352.80 and 221,435,563.20 is: 332,153,344.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,472,235.20 : 485,208,352.80 = 221,435,563.20 : x
  2. Step 2: Convert to fraction form
    323,472,235.20/485,208,352.80 = 221,435,563.20/x
  3. Step 3: Cross multiply
    323,472,235.20x = 485,208,352.80 × 221,435,563.20
  4. Step 4: Simplify right side
    323,472,235.20x = 107,442,384,871,612,288
  5. Step 5: Solve for x
    x = 107,442,384,871,612,288/323,472,235.20
  6. Step 6: Final answer
    x = 332,153,344.80

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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.