Home / 27,161,147,388.42-37,482,385,198.47-15,117,899,742.09

Finding the Fourth Proportional to 27,161,147,388.42, 37,482,385,198.47 and 15,117,899,742.09

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Solution

The fourth proportional to 27,161,147,388.42, 37,482,385,198.47 and 15,117,899,742.09 is: 20,862,702,647.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,161,147,388.42 : 37,482,385,198.47 = 15,117,899,742.09 : x
  2. Step 2: Convert to fraction form
    27,161,147,388.42/37,482,385,198.47 = 15,117,899,742.09/x
  3. Step 3: Cross multiply
    27,161,147,388.42x = 37,482,385,198.47 × 15,117,899,742.09
  4. Step 4: Simplify right side
    27,161,147,388.42x = 566,654,941,524,867,678,208
  5. Step 5: Solve for x
    x = 566,654,941,524,867,678,208/27,161,147,388.42
  6. Step 6: Final answer
    x = 20,862,702,647.33

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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.