Home / 1,422,176,256-1,962,588,773.76-787,097,987

Finding the Fourth Proportional to 1,422,176,256, 1,962,588,773.76 and 787,097,987

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Solution

The fourth proportional to 1,422,176,256, 1,962,588,773.76 and 787,097,987 is: 1,086,187,219.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,176,256 : 1,962,588,773.76 = 787,097,987 : x
  2. Step 2: Convert to fraction form
    1,422,176,256/1,962,588,773.76 = 787,097,987/x
  3. Step 3: Cross multiply
    1,422,176,256x = 1,962,588,773.76 × 787,097,987
  4. Step 4: Simplify right side
    1,422,176,256x = 1,544,749,673,135,294,464
  5. Step 5: Solve for x
    x = 1,544,749,673,135,294,464/1,422,176,256
  6. Step 6: Final answer
    x = 1,086,187,219.49

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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.