Finding the Fourth Proportional to 5,261,008,116.42, 7,260,190,596.54 and 3,146,463,721.26
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Solution
The fourth proportional to 5,261,008,116.42, 7,260,190,596.54 and 3,146,463,721.26 is: 4,342,119,574.03
Step by Step Solution
- Step 1: Write the proportion equation
5,261,008,116.42 : 7,260,190,596.54 = 3,146,463,721.26 : x - Step 2: Convert to fraction form
5,261,008,116.42/7,260,190,596.54 = 3,146,463,721.26/x - Step 3: Cross multiply
5,261,008,116.42x = 7,260,190,596.54 × 3,146,463,721.26 - Step 4: Simplify right side
5,261,008,116.42x = 22,843,926,321,446,109,184 - Step 5: Solve for x
x = 22,843,926,321,446,109,184/5,261,008,116.42 - Step 6: Final answer
x = 4,342,119,574.03
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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.