Home / 3,931,565,653.12-5,425,524,882.40-2,147,418,735.04

Finding the Fourth Proportional to 3,931,565,653.12, 5,425,524,882.40 and 2,147,418,735.04

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Solution

The fourth proportional to 3,931,565,653.12, 5,425,524,882.40 and 2,147,418,735.04 is: 2,963,418,344.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,565,653.12 : 5,425,524,882.40 = 2,147,418,735.04 : x
  2. Step 2: Convert to fraction form
    3,931,565,653.12/5,425,524,882.40 = 2,147,418,735.04/x
  3. Step 3: Cross multiply
    3,931,565,653.12x = 5,425,524,882.40 × 2,147,418,735.04
  4. Step 4: Simplify right side
    3,931,565,653.12x = 11,650,873,779,891,451,904
  5. Step 5: Solve for x
    x = 11,650,873,779,891,451,904/3,931,565,653.12
  6. Step 6: Final answer
    x = 2,963,418,344.71

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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.