Home / 380,494,103.88-525,084,555.06-206,653,847.88

Finding the Fourth Proportional to 380,494,103.88, 525,084,555.06 and 206,653,847.88

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Solution

The fourth proportional to 380,494,103.88, 525,084,555.06 and 206,653,847.88 is: 285,183,771.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,494,103.88 : 525,084,555.06 = 206,653,847.88 : x
  2. Step 2: Convert to fraction form
    380,494,103.88/525,084,555.06 = 206,653,847.88/x
  3. Step 3: Cross multiply
    380,494,103.88x = 525,084,555.06 × 206,653,847.88
  4. Step 4: Simplify right side
    380,494,103.88x = 108,510,743,765,506,720
  5. Step 5: Solve for x
    x = 108,510,743,765,506,720/380,494,103.88
  6. Step 6: Final answer
    x = 285,183,771.99

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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.