Home / 1,217,067,877.55-1,825,136,449.96-664,074,734.14

Finding the Fourth Proportional to 1,217,067,877.55, 1,825,136,449.96 and 664,074,734.14

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Solution

The fourth proportional to 1,217,067,877.55, 1,825,136,449.96 and 664,074,734.14 is: 995,858,181.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,067,877.55 : 1,825,136,449.96 = 664,074,734.14 : x
  2. Step 2: Convert to fraction form
    1,217,067,877.55/1,825,136,449.96 = 664,074,734.14/x
  3. Step 3: Cross multiply
    1,217,067,877.55x = 1,825,136,449.96 × 664,074,734.14
  4. Step 4: Simplify right side
    1,217,067,877.55x = 1,212,027,002,773,090,048
  5. Step 5: Solve for x
    x = 1,212,027,002,773,090,048/1,217,067,877.55
  6. Step 6: Final answer
    x = 995,858,181.07

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Double scale
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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.