Home / 15,669,764,747,986-21,624,340,667,592-8,638,208,422,980.80

Finding the Fourth Proportional to 15,669,764,747,986, 21,624,340,667,592 and 8,638,208,422,980.80

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Solution

The fourth proportional to 15,669,764,747,986, 21,624,340,667,592 and 8,638,208,422,980.80 is: 11,920,763,629,856.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,669,764,747,986 : 21,624,340,667,592 = 8,638,208,422,980.80 : x
  2. Step 2: Convert to fraction form
    15,669,764,747,986/21,624,340,667,592 = 8,638,208,422,980.80/x
  3. Step 3: Cross multiply
    15,669,764,747,986x = 21,624,340,667,592 × 8,638,208,422,980.80
  4. Step 4: Simplify right side
    15,669,764,747,986x = 186,795,561,696,199,479,174,103,040
  5. Step 5: Solve for x
    x = 186,795,561,696,199,479,174,103,040/15,669,764,747,986
  6. Step 6: Final answer
    x = 11,920,763,629,856.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.