Home / 5,121,425,179.88-7,067,573,919.78-2,774,581,723.88

Finding the Fourth Proportional to 5,121,425,179.88, 7,067,573,919.78 and 2,774,581,723.88

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Solution

The fourth proportional to 5,121,425,179.88, 7,067,573,919.78 and 2,774,581,723.88 is: 3,828,926,664.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121,425,179.88 : 7,067,573,919.78 = 2,774,581,723.88 : x
  2. Step 2: Convert to fraction form
    5,121,425,179.88/7,067,573,919.78 = 2,774,581,723.88/x
  3. Step 3: Cross multiply
    5,121,425,179.88x = 7,067,573,919.78 × 2,774,581,723.88
  4. Step 4: Simplify right side
    5,121,425,179.88x = 19,609,561,429,992,521,728
  5. Step 5: Solve for x
    x = 19,609,561,429,992,521,728/5,121,425,179.88
  6. Step 6: Final answer
    x = 3,828,926,664.21

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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.