Home / 25,722,620,537.51-38,570,682,729.11-11,545,432,540.80

Finding the Fourth Proportional to 25,722,620,537.51, 38,570,682,729.11 and 11,545,432,540.80

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Solution

The fourth proportional to 25,722,620,537.51, 38,570,682,729.11 and 11,545,432,540.80 is: 17,312,202,497.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,722,620,537.51 : 38,570,682,729.11 = 11,545,432,540.80 : x
  2. Step 2: Convert to fraction form
    25,722,620,537.51/38,570,682,729.11 = 11,545,432,540.80/x
  3. Step 3: Cross multiply
    25,722,620,537.51x = 38,570,682,729.11 × 11,545,432,540.80
  4. Step 4: Simplify right side
    25,722,620,537.51x = 445,315,215,501,481,410,560
  5. Step 5: Solve for x
    x = 445,315,215,501,481,410,560/25,722,620,537.51
  6. Step 6: Final answer
    x = 17,312,202,497.11

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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.