Finding the Fourth Proportional to 4,876,136,886.47, 6,728,954,447.36 and 2,869,102,019.03
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Solution
The fourth proportional to 4,876,136,886.47, 6,728,954,447.36 and 2,869,102,019.03 is: 3,959,293,440.76
Step by Step Solution
- Step 1: Write the proportion equation
4,876,136,886.47 : 6,728,954,447.36 = 2,869,102,019.03 : x - Step 2: Convert to fraction form
4,876,136,886.47/6,728,954,447.36 = 2,869,102,019.03/x - Step 3: Cross multiply
4,876,136,886.47x = 6,728,954,447.36 × 2,869,102,019.03 - Step 4: Simplify right side
4,876,136,886.47x = 19,306,056,790,833,483,776 - Step 5: Solve for x
x = 19,306,056,790,833,483,776/4,876,136,886.47 - Step 6: Final answer
x = 3,959,293,440.76
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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.