Finding the Fourth Proportional to 366,271,638.11, 505,454,744.61 and 201,269,836.43
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Solution
The fourth proportional to 366,271,638.11, 505,454,744.61 and 201,269,836.43 is: 277,752,310.54
Step by Step Solution
- Step 1: Write the proportion equation
366,271,638.11 : 505,454,744.61 = 201,269,836.43 : x - Step 2: Convert to fraction form
366,271,638.11/505,454,744.61 = 201,269,836.43/x - Step 3: Cross multiply
366,271,638.11x = 505,454,744.61 × 201,269,836.43 - Step 4: Simplify right side
366,271,638.11x = 101,732,793,770,422,128 - Step 5: Solve for x
x = 101,732,793,770,422,128/366,271,638.11 - Step 6: Final answer
x = 277,752,310.54
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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.