Home / 724,044,007.20-1,086,066,010.80-264,312,112.80

Finding the Fourth Proportional to 724,044,007.20, 1,086,066,010.80 and 264,312,112.80

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Solution

The fourth proportional to 724,044,007.20, 1,086,066,010.80 and 264,312,112.80 is: 396,468,169.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,044,007.20 : 1,086,066,010.80 = 264,312,112.80 : x
  2. Step 2: Convert to fraction form
    724,044,007.20/1,086,066,010.80 = 264,312,112.80/x
  3. Step 3: Cross multiply
    724,044,007.20x = 1,086,066,010.80 × 264,312,112.80
  4. Step 4: Simplify right side
    724,044,007.20x = 287,060,401,954,815,616
  5. Step 5: Solve for x
    x = 287,060,401,954,815,616/724,044,007.20
  6. Step 6: Final answer
    x = 396,468,169.20

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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.