Finding the Fourth Proportional to 457,968,375.43, 685,219,104.28 and 271,322,563.75
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Solution
The fourth proportional to 457,968,375.43, 685,219,104.28 and 271,322,563.75 is: 405,956,860.95
Step by Step Solution
- Step 1: Write the proportion equation
457,968,375.43 : 685,219,104.28 = 271,322,563.75 : x - Step 2: Convert to fraction form
457,968,375.43/685,219,104.28 = 271,322,563.75/x - Step 3: Cross multiply
457,968,375.43x = 685,219,104.28 × 271,322,563.75 - Step 4: Simplify right side
457,968,375.43x = 185,915,404,102,354,304 - Step 5: Solve for x
x = 185,915,404,102,354,304/457,968,375.43 - Step 6: Final answer
x = 405,956,860.95
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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.