Home / 1,487,396,993.22-2,231,367,844.23-613,521,637.38

Finding the Fourth Proportional to 1,487,396,993.22, 2,231,367,844.23 and 613,521,637.38

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Solution

The fourth proportional to 1,487,396,993.22, 2,231,367,844.23 and 613,521,637.38 is: 920,394,796.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,396,993.22 : 2,231,367,844.23 = 613,521,637.38 : x
  2. Step 2: Convert to fraction form
    1,487,396,993.22/2,231,367,844.23 = 613,521,637.38/x
  3. Step 3: Cross multiply
    1,487,396,993.22x = 2,231,367,844.23 × 613,521,637.38
  4. Step 4: Simplify right side
    1,487,396,993.22x = 1,368,992,453,389,070,336
  5. Step 5: Solve for x
    x = 1,368,992,453,389,070,336/1,487,396,993.22
  6. Step 6: Final answer
    x = 920,394,796.84

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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.