Home / 338,568,978,682.72-467,225,266,845.84-186,321,806,673.36

Finding the Fourth Proportional to 338,568,978,682.72, 467,225,266,845.84 and 186,321,806,673.36

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Solution

The fourth proportional to 338,568,978,682.72, 467,225,266,845.84 and 186,321,806,673.36 is: 257,124,135,178.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,568,978,682.72 : 467,225,266,845.84 = 186,321,806,673.36 : x
  2. Step 2: Convert to fraction form
    338,568,978,682.72/467,225,266,845.84 = 186,321,806,673.36/x
  3. Step 3: Cross multiply
    338,568,978,682.72x = 467,225,266,845.84 × 186,321,806,673.36
  4. Step 4: Simplify right side
    338,568,978,682.72x = 87,054,255,842,159,633,629,184
  5. Step 5: Solve for x
    x = 87,054,255,842,159,633,629,184/338,568,978,682.72
  6. Step 6: Final answer
    x = 257,124,135,178.79

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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.