Home / 724,267,820.20-1,086,401,730.30-264,220,997.80

Finding the Fourth Proportional to 724,267,820.20, 1,086,401,730.30 and 264,220,997.80

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Solution

The fourth proportional to 724,267,820.20, 1,086,401,730.30 and 264,220,997.80 is: 396,331,496.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,267,820.20 : 1,086,401,730.30 = 264,220,997.80 : x
  2. Step 2: Convert to fraction form
    724,267,820.20/1,086,401,730.30 = 264,220,997.80/x
  3. Step 3: Cross multiply
    724,267,820.20x = 1,086,401,730.30 × 264,220,997.80
  4. Step 4: Simplify right side
    724,267,820.20x = 287,050,149,191,512,480
  5. Step 5: Solve for x
    x = 287,050,149,191,512,480/724,267,820.20
  6. Step 6: Final answer
    x = 396,331,496.70

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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.