Home / 724,044,003.20-1,086,066,004.80-264,312,108.80

Finding the Fourth Proportional to 724,044,003.20, 1,086,066,004.80 and 264,312,108.80

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Solution

The fourth proportional to 724,044,003.20, 1,086,066,004.80 and 264,312,108.80 is: 396,468,163.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,044,003.20 : 1,086,066,004.80 = 264,312,108.80 : x
  2. Step 2: Convert to fraction form
    724,044,003.20/1,086,066,004.80 = 264,312,108.80/x
  3. Step 3: Cross multiply
    724,044,003.20x = 1,086,066,004.80 × 264,312,108.80
  4. Step 4: Simplify right side
    724,044,003.20x = 287,060,396,024,678,912
  5. Step 5: Solve for x
    x = 287,060,396,024,678,912/724,044,003.20
  6. Step 6: Final answer
    x = 396,468,163.20

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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.