Finding the Fourth Proportional to 4,728,609,643.20, 7,092,914,464.80 and 2,989,522,114.80
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Solution
The fourth proportional to 4,728,609,643.20, 7,092,914,464.80 and 2,989,522,114.80 is: 4,484,283,172.20
Step by Step Solution
- Step 1: Write the proportion equation
4,728,609,643.20 : 7,092,914,464.80 = 2,989,522,114.80 : x - Step 2: Convert to fraction form
4,728,609,643.20/7,092,914,464.80 = 2,989,522,114.80/x - Step 3: Cross multiply
4,728,609,643.20x = 7,092,914,464.80 × 2,989,522,114.80 - Step 4: Simplify right side
4,728,609,643.20x = 21,204,424,650,904,408,064 - Step 5: Solve for x
x = 21,204,424,650,904,408,064/4,728,609,643.20 - Step 6: Final answer
x = 4,484,283,172.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.