Finding the Fourth Proportional to 5,691,001,611.48, 7,853,413,549.74 and 3,150,796,792.14
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Solution
The fourth proportional to 5,691,001,611.48, 7,853,413,549.74 and 3,150,796,792.14 is: 4,348,006,187.51
Step by Step Solution
- Step 1: Write the proportion equation
5,691,001,611.48 : 7,853,413,549.74 = 3,150,796,792.14 : x - Step 2: Convert to fraction form
5,691,001,611.48/7,853,413,549.74 = 3,150,796,792.14/x - Step 3: Cross multiply
5,691,001,611.48x = 7,853,413,549.74 × 3,150,796,792.14 - Step 4: Simplify right side
5,691,001,611.48x = 24,744,510,219,869,601,792 - Step 5: Solve for x
x = 24,744,510,219,869,601,792/5,691,001,611.48 - Step 6: Final answer
x = 4,348,006,187.51
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1.5x scale
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.