Home / 799,737,406.16-1,199,658,745.82-209,542,097.52

Finding the Fourth Proportional to 799,737,406.16, 1,199,658,745.82 and 209,542,097.52

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Solution

The fourth proportional to 799,737,406.16, 1,199,658,745.82 and 209,542,097.52 is: 314,326,937.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,737,406.16 : 1,199,658,745.82 = 209,542,097.52 : x
  2. Step 2: Convert to fraction form
    799,737,406.16/1,199,658,745.82 = 209,542,097.52/x
  3. Step 3: Cross multiply
    799,737,406.16x = 1,199,658,745.82 × 209,542,097.52
  4. Step 4: Simplify right side
    799,737,406.16x = 251,379,009,907,335,328
  5. Step 5: Solve for x
    x = 251,379,009,907,335,328/799,737,406.16
  6. Step 6: Final answer
    x = 314,326,937.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.