Home / 323,413,880.80-485,120,821.20-93,390,469.60

Finding the Fourth Proportional to 323,413,880.80, 485,120,821.20 and 93,390,469.60

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Solution

The fourth proportional to 323,413,880.80, 485,120,821.20 and 93,390,469.60 is: 140,085,704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,413,880.80 : 485,120,821.20 = 93,390,469.60 : x
  2. Step 2: Convert to fraction form
    323,413,880.80/485,120,821.20 = 93,390,469.60/x
  3. Step 3: Cross multiply
    323,413,880.80x = 485,120,821.20 × 93,390,469.60
  4. Step 4: Simplify right side
    323,413,880.80x = 45,305,661,304,605,632
  5. Step 5: Solve for x
    x = 45,305,661,304,605,632/323,413,880.80
  6. Step 6: Final answer
    x = 140,085,704.40

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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.