Home / 418,769,086.20-628,153,629.30-235,103,076.60

Finding the Fourth Proportional to 418,769,086.20, 628,153,629.30 and 235,103,076.60

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Solution

The fourth proportional to 418,769,086.20, 628,153,629.30 and 235,103,076.60 is: 352,654,614.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,769,086.20 : 628,153,629.30 = 235,103,076.60 : x
  2. Step 2: Convert to fraction form
    418,769,086.20/628,153,629.30 = 235,103,076.60/x
  3. Step 3: Cross multiply
    418,769,086.20x = 628,153,629.30 × 235,103,076.60
  4. Step 4: Simplify right side
    418,769,086.20x = 147,680,850,825,885,888
  5. Step 5: Solve for x
    x = 147,680,850,825,885,888/418,769,086.20
  6. Step 6: Final answer
    x = 352,654,614.90

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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.