Home / 862,448,320.44-1,190,178,682.20-491,204,895.48

Finding the Fourth Proportional to 862,448,320.44, 1,190,178,682.20 and 491,204,895.48

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Solution

The fourth proportional to 862,448,320.44, 1,190,178,682.20 and 491,204,895.48 is: 677,862,755.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,448,320.44 : 1,190,178,682.20 = 491,204,895.48 : x
  2. Step 2: Convert to fraction form
    862,448,320.44/1,190,178,682.20 = 491,204,895.48/x
  3. Step 3: Cross multiply
    862,448,320.44x = 1,190,178,682.20 × 491,204,895.48
  4. Step 4: Simplify right side
    862,448,320.44x = 584,621,595,192,575,232
  5. Step 5: Solve for x
    x = 584,621,595,192,575,232/862,448,320.44
  6. Step 6: Final answer
    x = 677,862,755.76

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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.