Finding the Fourth Proportional to 284,759,741.70, 392,983,701.42 and 159,304,453.68
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Solution
The fourth proportional to 284,759,741.70, 392,983,701.42 and 159,304,453.68 is: 219,848,681.86
Step by Step Solution
- Step 1: Write the proportion equation
284,759,741.70 : 392,983,701.42 = 159,304,453.68 : x - Step 2: Convert to fraction form
284,759,741.70/392,983,701.42 = 159,304,453.68/x - Step 3: Cross multiply
284,759,741.70x = 392,983,701.42 × 159,304,453.68 - Step 4: Simplify right side
284,759,741.70x = 62,604,053,859,857,344 - Step 5: Solve for x
x = 62,604,053,859,857,344/284,759,741.70 - Step 6: Final answer
x = 219,848,681.86
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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.