Finding the Fourth Proportional to 386,256,463.20, 579,384,694.80 and 182,183,119.20
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Solution
The fourth proportional to 386,256,463.20, 579,384,694.80 and 182,183,119.20 is: 273,274,678.80
Step by Step Solution
- Step 1: Write the proportion equation
386,256,463.20 : 579,384,694.80 = 182,183,119.20 : x - Step 2: Convert to fraction form
386,256,463.20/579,384,694.80 = 182,183,119.20/x - Step 3: Cross multiply
386,256,463.20x = 579,384,694.80 × 182,183,119.20 - Step 4: Simplify right side
386,256,463.20x = 105,554,110,915,404,000 - Step 5: Solve for x
x = 105,554,110,915,404,000/386,256,463.20 - Step 6: Final answer
x = 273,274,678.80
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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.