Finding the Fourth Proportional to 348,647,350.97, 481,117,820.84 and 199,861,804.37
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Solution
The fourth proportional to 348,647,350.97, 481,117,820.84 and 199,861,804.37 is: 275,800,391.20
Step by Step Solution
- Step 1: Write the proportion equation
348,647,350.97 : 481,117,820.84 = 199,861,804.37 : x - Step 2: Convert to fraction form
348,647,350.97/481,117,820.84 = 199,861,804.37/x - Step 3: Cross multiply
348,647,350.97x = 481,117,820.84 × 199,861,804.37 - Step 4: Simplify right side
348,647,350.97x = 96,157,075,787,644,784 - Step 5: Solve for x
x = 96,157,075,787,644,784/348,647,350.97 - Step 6: Final answer
x = 275,800,391.20
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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.