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Finding the Fourth Proportional to 299,250,391.80, 417,930,181.80 and 299,250,391.80

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Solution

The fourth proportional to 299,250,391.80, 417,930,181.80 and 299,250,391.80 is: 417,930,181.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,250,391.80 : 417,930,181.80 = 299,250,391.80 : x
  2. Step 2: Convert to fraction form
    299,250,391.80/417,930,181.80 = 299,250,391.80/x
  3. Step 3: Cross multiply
    299,250,391.80x = 417,930,181.80 × 299,250,391.80
  4. Step 4: Simplify right side
    299,250,391.80x = 125,065,770,648,695,232
  5. Step 5: Solve for x
    x = 125,065,770,648,695,232/299,250,391.80
  6. Step 6: Final answer
    x = 417,930,181.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.