Home / 216,728,978,799.14-299,018,515,408.16-125,244,200,673.37

Finding the Fourth Proportional to 216,728,978,799.14, 299,018,515,408.16 and 125,244,200,673.37

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Solution

The fourth proportional to 216,728,978,799.14, 299,018,515,408.16 and 125,244,200,673.37 is: 172,798,004,015.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,728,978,799.14 : 299,018,515,408.16 = 125,244,200,673.37 : x
  2. Step 2: Convert to fraction form
    216,728,978,799.14/299,018,515,408.16 = 125,244,200,673.37/x
  3. Step 3: Cross multiply
    216,728,978,799.14x = 299,018,515,408.16 × 125,244,200,673.37
  4. Step 4: Simplify right side
    216,728,978,799.14x = 37,450,334,948,832,764,231,680
  5. Step 5: Solve for x
    x = 37,450,334,948,832,764,231,680/216,728,978,799.14
  6. Step 6: Final answer
    x = 172,798,004,015.61

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1.5x scale

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.