Home / 1,098,245,992.35-1,515,672,940.89-622,021,078.02

Finding the Fourth Proportional to 1,098,245,992.35, 1,515,672,940.89 and 622,021,078.02

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Solution

The fourth proportional to 1,098,245,992.35, 1,515,672,940.89 and 622,021,078.02 is: 858,442,027.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,245,992.35 : 1,515,672,940.89 = 622,021,078.02 : x
  2. Step 2: Convert to fraction form
    1,098,245,992.35/1,515,672,940.89 = 622,021,078.02/x
  3. Step 3: Cross multiply
    1,098,245,992.35x = 1,515,672,940.89 × 622,021,078.02
  4. Step 4: Simplify right side
    1,098,245,992.35x = 942,780,516,615,851,904
  5. Step 5: Solve for x
    x = 942,780,516,615,851,904/1,098,245,992.35
  6. Step 6: Final answer
    x = 858,442,027.73

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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.