Home / 893,617,844.21-1,233,203,781.77-491,777,824.85

Finding the Fourth Proportional to 893,617,844.21, 1,233,203,781.77 and 491,777,824.85

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Solution

The fourth proportional to 893,617,844.21, 1,233,203,781.77 and 491,777,824.85 is: 678,659,538.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,617,844.21 : 1,233,203,781.77 = 491,777,824.85 : x
  2. Step 2: Convert to fraction form
    893,617,844.21/1,233,203,781.77 = 491,777,824.85/x
  3. Step 3: Cross multiply
    893,617,844.21x = 1,233,203,781.77 × 491,777,824.85
  4. Step 4: Simplify right side
    893,617,844.21x = 606,462,273,395,644,672
  5. Step 5: Solve for x
    x = 606,462,273,395,644,672/893,617,844.21
  6. Step 6: Final answer
    x = 678,659,538.11

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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.