Finding the Fourth Proportional to 4,876,136,881.97, 6,728,954,441.15 and 2,869,102,014.53
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Solution
The fourth proportional to 4,876,136,881.97, 6,728,954,441.15 and 2,869,102,014.53 is: 3,959,293,434.56
Step by Step Solution
- Step 1: Write the proportion equation
4,876,136,881.97 : 6,728,954,441.15 = 2,869,102,014.53 : x - Step 2: Convert to fraction form
4,876,136,881.97/6,728,954,441.15 = 2,869,102,014.53/x - Step 3: Cross multiply
4,876,136,881.97x = 6,728,954,441.15 × 2,869,102,014.53 - Step 4: Simplify right side
4,876,136,881.97x = 19,306,056,742,757,584,896 - Step 5: Solve for x
x = 19,306,056,742,757,584,896/4,876,136,881.97 - Step 6: Final answer
x = 3,959,293,434.56
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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.