Home / 724,267,570.20-1,086,401,355.30-264,220,747.80

Finding the Fourth Proportional to 724,267,570.20, 1,086,401,355.30 and 264,220,747.80

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Solution

The fourth proportional to 724,267,570.20, 1,086,401,355.30 and 264,220,747.80 is: 396,331,121.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,267,570.20 : 1,086,401,355.30 = 264,220,747.80 : x
  2. Step 2: Convert to fraction form
    724,267,570.20/1,086,401,355.30 = 264,220,747.80/x
  3. Step 3: Cross multiply
    724,267,570.20x = 1,086,401,355.30 × 264,220,747.80
  4. Step 4: Simplify right side
    724,267,570.20x = 287,049,778,508,299,488
  5. Step 5: Solve for x
    x = 287,049,778,508,299,488/724,267,570.20
  6. Step 6: Final answer
    x = 396,331,121.70

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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.