Home / 1,217,067,878.30-1,825,136,451.08-664,074,734.90

Finding the Fourth Proportional to 1,217,067,878.30, 1,825,136,451.08 and 664,074,734.90

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Solution

The fourth proportional to 1,217,067,878.30, 1,825,136,451.08 and 664,074,734.90 is: 995,858,182.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,067,878.30 : 1,825,136,451.08 = 664,074,734.90 : x
  2. Step 2: Convert to fraction form
    1,217,067,878.30/1,825,136,451.08 = 664,074,734.90/x
  3. Step 3: Cross multiply
    1,217,067,878.30x = 1,825,136,451.08 × 664,074,734.90
  4. Step 4: Simplify right side
    1,217,067,878.30x = 1,212,027,004,907,277,824
  5. Step 5: Solve for x
    x = 1,212,027,004,907,277,824/1,217,067,878.30
  6. Step 6: Final answer
    x = 995,858,182.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.