Finding the Fourth Proportional to 427,631,537.97, 590,131,527.21 and 232,061,249.97
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Solution
The fourth proportional to 427,631,537.97, 590,131,527.21 and 232,061,249.97 is: 320,244,527.57
Step by Step Solution
- Step 1: Write the proportion equation
427,631,537.97 : 590,131,527.21 = 232,061,249.97 : x - Step 2: Convert to fraction form
427,631,537.97/590,131,527.21 = 232,061,249.97/x - Step 3: Cross multiply
427,631,537.97x = 590,131,527.21 × 232,061,249.97 - Step 4: Simplify right side
427,631,537.97x = 136,946,659,851,057,680 - Step 5: Solve for x
x = 136,946,659,851,057,680/427,631,537.97 - Step 6: Final answer
x = 320,244,527.57
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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.