Home / 279,444,743.90-419,167,115.85-277,531,556.30

Finding the Fourth Proportional to 279,444,743.90, 419,167,115.85 and 277,531,556.30

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Solution

The fourth proportional to 279,444,743.90, 419,167,115.85 and 277,531,556.30 is: 416,297,334.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,444,743.90 : 419,167,115.85 = 277,531,556.30 : x
  2. Step 2: Convert to fraction form
    279,444,743.90/419,167,115.85 = 277,531,556.30/x
  3. Step 3: Cross multiply
    279,444,743.90x = 419,167,115.85 × 277,531,556.30
  4. Step 4: Simplify right side
    279,444,743.90x = 116,332,102,011,632,912
  5. Step 5: Solve for x
    x = 116,332,102,011,632,912/279,444,743.90
  6. Step 6: Final answer
    x = 416,297,334.45

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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.