Finding the Fourth Proportional to 511,946,569.40, 706,481,236.10 and 276,992,074.62
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Solution
The fourth proportional to 511,946,569.40, 706,481,236.10 and 276,992,074.62 is: 382,246,341.64
Step by Step Solution
- Step 1: Write the proportion equation
511,946,569.40 : 706,481,236.10 = 276,992,074.62 : x - Step 2: Convert to fraction form
511,946,569.40/706,481,236.10 = 276,992,074.62/x - Step 3: Cross multiply
511,946,569.40x = 706,481,236.10 × 276,992,074.62 - Step 4: Simplify right side
511,946,569.40x = 195,689,703,268,133,504 - Step 5: Solve for x
x = 195,689,703,268,133,504/511,946,569.40 - Step 6: Final answer
x = 382,246,341.64
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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.