Home / 441,046,272.70-661,569,409.05-419,522,912.20

Finding the Fourth Proportional to 441,046,272.70, 661,569,409.05 and 419,522,912.20

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Solution

The fourth proportional to 441,046,272.70, 661,569,409.05 and 419,522,912.20 is: 629,284,368.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,046,272.70 : 661,569,409.05 = 419,522,912.20 : x
  2. Step 2: Convert to fraction form
    441,046,272.70/661,569,409.05 = 419,522,912.20/x
  3. Step 3: Cross multiply
    441,046,272.70x = 661,569,409.05 × 419,522,912.20
  4. Step 4: Simplify right side
    441,046,272.70x = 277,543,525,107,088,992
  5. Step 5: Solve for x
    x = 277,543,525,107,088,992/441,046,272.70
  6. Step 6: Final answer
    x = 629,284,368.30

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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.