Home / 352,603,401.80-528,905,102.70-255,857,520.20

Finding the Fourth Proportional to 352,603,401.80, 528,905,102.70 and 255,857,520.20

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Solution

The fourth proportional to 352,603,401.80, 528,905,102.70 and 255,857,520.20 is: 383,786,280.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,603,401.80 : 528,905,102.70 = 255,857,520.20 : x
  2. Step 2: Convert to fraction form
    352,603,401.80/528,905,102.70 = 255,857,520.20/x
  3. Step 3: Cross multiply
    352,603,401.80x = 528,905,102.70 × 255,857,520.20
  4. Step 4: Simplify right side
    352,603,401.80x = 135,324,347,997,948,320
  5. Step 5: Solve for x
    x = 135,324,347,997,948,320/352,603,401.80
  6. Step 6: Final answer
    x = 383,786,280.30

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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.