Home / 338,568,978,135.94-467,225,266,091.76-186,321,806,126.67

Finding the Fourth Proportional to 338,568,978,135.94, 467,225,266,091.76 and 186,321,806,126.67

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Solution

The fourth proportional to 338,568,978,135.94, 467,225,266,091.76 and 186,321,806,126.67 is: 257,124,134,424.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,568,978,135.94 : 467,225,266,091.76 = 186,321,806,126.67 : x
  2. Step 2: Convert to fraction form
    338,568,978,135.94/467,225,266,091.76 = 186,321,806,126.67/x
  3. Step 3: Cross multiply
    338,568,978,135.94x = 467,225,266,091.76 × 186,321,806,126.67
  4. Step 4: Simplify right side
    338,568,978,135.94x = 87,054,255,446,230,724,247,552
  5. Step 5: Solve for x
    x = 87,054,255,446,230,724,247,552/338,568,978,135.94
  6. Step 6: Final answer
    x = 257,124,134,424.62

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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.