Home / 664,243,519.53-995,979,803.45-314,486,651.37

Finding the Fourth Proportional to 664,243,519.53, 995,979,803.45 and 314,486,651.37

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Solution

The fourth proportional to 664,243,519.53, 995,979,803.45 and 314,486,651.37 is: 471,547,473.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,243,519.53 : 995,979,803.45 = 314,486,651.37 : x
  2. Step 2: Convert to fraction form
    664,243,519.53/995,979,803.45 = 314,486,651.37/x
  3. Step 3: Cross multiply
    664,243,519.53x = 995,979,803.45 × 314,486,651.37
  4. Step 4: Simplify right side
    664,243,519.53x = 313,222,353,217,568,832
  5. Step 5: Solve for x
    x = 313,222,353,217,568,832/664,243,519.53
  6. Step 6: Final answer
    x = 471,547,473.19

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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.