Finding the Fourth Proportional to 4,876,136,885.47, 6,728,954,445.98 and 2,869,102,018.03
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Solution
The fourth proportional to 4,876,136,885.47, 6,728,954,445.98 and 2,869,102,018.03 is: 3,959,293,439.38
Step by Step Solution
- Step 1: Write the proportion equation
4,876,136,885.47 : 6,728,954,445.98 = 2,869,102,018.03 : x - Step 2: Convert to fraction form
4,876,136,885.47/6,728,954,445.98 = 2,869,102,018.03/x - Step 3: Cross multiply
4,876,136,885.47x = 6,728,954,445.98 × 2,869,102,018.03 - Step 4: Simplify right side
4,876,136,885.47x = 19,306,056,780,145,168,384 - Step 5: Solve for x
x = 19,306,056,780,145,168,384/4,876,136,885.47 - Step 6: Final answer
x = 3,959,293,439.38
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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.