Home / 1,098,245,993.35-1,515,672,942.27-622,021,079.02

Finding the Fourth Proportional to 1,098,245,993.35, 1,515,672,942.27 and 622,021,079.02

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Solution

The fourth proportional to 1,098,245,993.35, 1,515,672,942.27 and 622,021,079.02 is: 858,442,029.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,245,993.35 : 1,515,672,942.27 = 622,021,079.02 : x
  2. Step 2: Convert to fraction form
    1,098,245,993.35/1,515,672,942.27 = 622,021,079.02/x
  3. Step 3: Cross multiply
    1,098,245,993.35x = 1,515,672,942.27 × 622,021,079.02
  4. Step 4: Simplify right side
    1,098,245,993.35x = 942,780,518,992,203,520
  5. Step 5: Solve for x
    x = 942,780,518,992,203,520/1,098,245,993.35
  6. Step 6: Final answer
    x = 858,442,029.11

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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.