Home / 338,568,978,674.68-467,225,266,834.78-186,321,806,665.34

Finding the Fourth Proportional to 338,568,978,674.68, 467,225,266,834.78 and 186,321,806,665.34

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Solution

The fourth proportional to 338,568,978,674.68, 467,225,266,834.78 and 186,321,806,665.34 is: 257,124,135,167.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,568,978,674.68 : 467,225,266,834.78 = 186,321,806,665.34 : x
  2. Step 2: Convert to fraction form
    338,568,978,674.68/467,225,266,834.78 = 186,321,806,665.34/x
  3. Step 3: Cross multiply
    338,568,978,674.68x = 467,225,266,834.78 × 186,321,806,665.34
  4. Step 4: Simplify right side
    338,568,978,674.68x = 87,054,255,836,351,780,880,384
  5. Step 5: Solve for x
    x = 87,054,255,836,351,780,880,384/338,568,978,674.68
  6. Step 6: Final answer
    x = 257,124,135,167.74

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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.