Home / 264,267,910.20-396,401,865.30-172,434,905.40

Finding the Fourth Proportional to 264,267,910.20, 396,401,865.30 and 172,434,905.40

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Solution

The fourth proportional to 264,267,910.20, 396,401,865.30 and 172,434,905.40 is: 258,652,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,267,910.20 : 396,401,865.30 = 172,434,905.40 : x
  2. Step 2: Convert to fraction form
    264,267,910.20/396,401,865.30 = 172,434,905.40/x
  3. Step 3: Cross multiply
    264,267,910.20x = 396,401,865.30 × 172,434,905.40
  4. Step 4: Simplify right side
    264,267,910.20x = 68,353,518,143,389,048
  5. Step 5: Solve for x
    x = 68,353,518,143,389,048/264,267,910.20
  6. Step 6: Final answer
    x = 258,652,358.10

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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.