Home / 3,971,442,786.12-5,480,978,162.65-2,966,114,992.68

Finding the Fourth Proportional to 3,971,442,786.12, 5,480,978,162.65 and 2,966,114,992.68

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Solution

The fourth proportional to 3,971,442,786.12, 5,480,978,162.65 and 2,966,114,992.68 is: 4,093,527,813.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971,442,786.12 : 5,480,978,162.65 = 2,966,114,992.68 : x
  2. Step 2: Convert to fraction form
    3,971,442,786.12/5,480,978,162.65 = 2,966,114,992.68/x
  3. Step 3: Cross multiply
    3,971,442,786.12x = 5,480,978,162.65 × 2,966,114,992.68
  4. Step 4: Simplify right side
    3,971,442,786.12x = 16,257,211,502,780,428,288
  5. Step 5: Solve for x
    x = 16,257,211,502,780,428,288/3,971,442,786.12
  6. Step 6: Final answer
    x = 4,093,527,813.02

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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.