Finding the Fourth Proportional to 7,781,802,253.75, 11,673,912,704.15 and 2,613,153,529.27
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Solution
The fourth proportional to 7,781,802,253.75, 11,673,912,704.15 and 2,613,153,529.27 is: 3,920,136,388.53
Step by Step Solution
- Step 1: Write the proportion equation
7,781,802,253.75 : 11,673,912,704.15 = 2,613,153,529.27 : x - Step 2: Convert to fraction form
7,781,802,253.75/11,673,912,704.15 = 2,613,153,529.27/x - Step 3: Cross multiply
7,781,802,253.75x = 11,673,912,704.15 × 2,613,153,529.27 - Step 4: Simplify right side
7,781,802,253.75x = 30,505,726,183,239,458,816 - Step 5: Solve for x
x = 30,505,726,183,239,458,816/7,781,802,253.75 - Step 6: Final answer
x = 3,920,136,388.53
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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.