Home / 11,691,738,700.80-17,537,608,051.20-9,212,247,571.20

Finding the Fourth Proportional to 11,691,738,700.80, 17,537,608,051.20 and 9,212,247,571.20

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Solution

The fourth proportional to 11,691,738,700.80, 17,537,608,051.20 and 9,212,247,571.20 is: 13,818,371,356.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,691,738,700.80 : 17,537,608,051.20 = 9,212,247,571.20 : x
  2. Step 2: Convert to fraction form
    11,691,738,700.80/17,537,608,051.20 = 9,212,247,571.20/x
  3. Step 3: Cross multiply
    11,691,738,700.80x = 17,537,608,051.20 × 9,212,247,571.20
  4. Step 4: Simplify right side
    11,691,738,700.80x = 161,560,787,174,324,797,440
  5. Step 5: Solve for x
    x = 161,560,787,174,324,797,440/11,691,738,700.80
  6. Step 6: Final answer
    x = 13,818,371,356.80

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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.