Finding the Fourth Proportional to 8,350,831,294.24, 12,531,131,474.70 and 3,114,057,344.80
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Solution
The fourth proportional to 8,350,831,294.24, 12,531,131,474.70 and 3,114,057,344.80 is: 4,672,907,478.61
Step by Step Solution
- Step 1: Write the proportion equation
8,350,831,294.24 : 12,531,131,474.70 = 3,114,057,344.80 : x - Step 2: Convert to fraction form
8,350,831,294.24/12,531,131,474.70 = 3,114,057,344.80/x - Step 3: Cross multiply
8,350,831,294.24x = 12,531,131,474.70 × 3,114,057,344.80 - Step 4: Simplify right side
8,350,831,294.24x = 39,022,662,007,443,996,672 - Step 5: Solve for x
x = 39,022,662,007,443,996,672/8,350,831,294.24 - Step 6: Final answer
x = 4,672,907,478.61
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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.