Home / 449,382,067.43-620,166,405.38-251,143,556.56

Finding the Fourth Proportional to 449,382,067.43, 620,166,405.38 and 251,143,556.56

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Solution

The fourth proportional to 449,382,067.43, 620,166,405.38 and 251,143,556.56 is: 346,588,811.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,382,067.43 : 620,166,405.38 = 251,143,556.56 : x
  2. Step 2: Convert to fraction form
    449,382,067.43/620,166,405.38 = 251,143,556.56/x
  3. Step 3: Cross multiply
    449,382,067.43x = 620,166,405.38 × 251,143,556.56
  4. Step 4: Simplify right side
    449,382,067.43x = 155,750,796,705,106,656
  5. Step 5: Solve for x
    x = 155,750,796,705,106,656/449,382,067.43
  6. Step 6: Final answer
    x = 346,588,811.60

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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.