Finding the Fourth Proportional to 348,647,351.97, 481,117,822.23 and 199,861,805.37
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Solution
The fourth proportional to 348,647,351.97, 481,117,822.23 and 199,861,805.37 is: 275,800,392.58
Step by Step Solution
- Step 1: Write the proportion equation
348,647,351.97 : 481,117,822.23 = 199,861,805.37 : x - Step 2: Convert to fraction form
348,647,351.97/481,117,822.23 = 199,861,805.37/x - Step 3: Cross multiply
348,647,351.97x = 481,117,822.23 × 199,861,805.37 - Step 4: Simplify right side
348,647,351.97x = 96,157,076,546,570,528 - Step 5: Solve for x
x = 96,157,076,546,570,528/348,647,351.97 - Step 6: Final answer
x = 275,800,392.58
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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.