Home / 439,923,817.60-660,310,879.20-267,736,933.60

Finding the Fourth Proportional to 439,923,817.60, 660,310,879.20 and 267,736,933.60

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Solution

The fourth proportional to 439,923,817.60, 660,310,879.20 and 267,736,933.60 is: 401,864,147.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,923,817.60 : 660,310,879.20 = 267,736,933.60 : x
  2. Step 2: Convert to fraction form
    439,923,817.60/660,310,879.20 = 267,736,933.60/x
  3. Step 3: Cross multiply
    439,923,817.60x = 660,310,879.20 × 267,736,933.60
  4. Step 4: Simplify right side
    439,923,817.60x = 176,789,610,019,728,032
  5. Step 5: Solve for x
    x = 176,789,610,019,728,032/439,923,817.60
  6. Step 6: Final answer
    x = 401,864,147.72

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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.