Home / 264,267,910.70-396,401,866.05-172,434,905.90

Finding the Fourth Proportional to 264,267,910.70, 396,401,866.05 and 172,434,905.90

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Solution

The fourth proportional to 264,267,910.70, 396,401,866.05 and 172,434,905.90 is: 258,652,358.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,267,910.70 : 396,401,866.05 = 172,434,905.90 : x
  2. Step 2: Convert to fraction form
    264,267,910.70/396,401,866.05 = 172,434,905.90/x
  3. Step 3: Cross multiply
    264,267,910.70x = 396,401,866.05 × 172,434,905.90
  4. Step 4: Simplify right side
    264,267,910.70x = 68,353,518,470,916,160
  5. Step 5: Solve for x
    x = 68,353,518,470,916,160/264,267,910.70
  6. Step 6: Final answer
    x = 258,652,358.85

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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.