Finding the Fourth Proportional to 347,252,891.13, 479,207,097.81 and 190,622,663.01
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Solution
The fourth proportional to 347,252,891.13, 479,207,097.81 and 190,622,663.01 is: 263,058,236.38
Step by Step Solution
- Step 1: Write the proportion equation
347,252,891.13 : 479,207,097.81 = 190,622,663.01 : x - Step 2: Convert to fraction form
347,252,891.13/479,207,097.81 = 190,622,663.01/x - Step 3: Cross multiply
347,252,891.13x = 479,207,097.81 × 190,622,663.01 - Step 4: Simplify right side
347,252,891.13x = 91,347,733,117,835,728 - Step 5: Solve for x
x = 91,347,733,117,835,728/347,252,891.13 - Step 6: Final answer
x = 263,058,236.38
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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.