Finding the Fourth Proportional to 4,876,136,887.97, 6,728,954,449.42 and 2,869,102,020.53
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Solution
The fourth proportional to 4,876,136,887.97, 6,728,954,449.42 and 2,869,102,020.53 is: 3,959,293,442.83
Step by Step Solution
- Step 1: Write the proportion equation
4,876,136,887.97 : 6,728,954,449.42 = 2,869,102,020.53 : x - Step 2: Convert to fraction form
4,876,136,887.97/6,728,954,449.42 = 2,869,102,020.53/x - Step 3: Cross multiply
4,876,136,887.97x = 6,728,954,449.42 × 2,869,102,020.53 - Step 4: Simplify right side
4,876,136,887.97x = 19,306,056,806,885,257,216 - Step 5: Solve for x
x = 19,306,056,806,885,257,216/4,876,136,887.97 - Step 6: Final answer
x = 3,959,293,442.83
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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.