Home / 365,590,608.78-504,515,040.12-208,961,078.79

Finding the Fourth Proportional to 365,590,608.78, 504,515,040.12 and 208,961,078.79

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Solution

The fourth proportional to 365,590,608.78, 504,515,040.12 and 208,961,078.79 is: 288,366,288.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,590,608.78 : 504,515,040.12 = 208,961,078.79 : x
  2. Step 2: Convert to fraction form
    365,590,608.78/504,515,040.12 = 208,961,078.79/x
  3. Step 3: Cross multiply
    365,590,608.78x = 504,515,040.12 × 208,961,078.79
  4. Step 4: Simplify right side
    365,590,608.78x = 105,424,007,049,255,328
  5. Step 5: Solve for x
    x = 105,424,007,049,255,328/365,590,608.78
  6. Step 6: Final answer
    x = 288,366,288.73

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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.