Finding the Fourth Proportional to 2,477,672,948.75, 3,419,278,891.23 and 1,348,588,178.84
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Solution
The fourth proportional to 2,477,672,948.75, 3,419,278,891.23 and 1,348,588,178.84 is: 1,861,100,794.27
Step by Step Solution
- Step 1: Write the proportion equation
2,477,672,948.75 : 3,419,278,891.23 = 1,348,588,178.84 : x - Step 2: Convert to fraction form
2,477,672,948.75/3,419,278,891.23 = 1,348,588,178.84/x - Step 3: Cross multiply
2,477,672,948.75x = 3,419,278,891.23 × 1,348,588,178.84 - Step 4: Simplify right side
2,477,672,948.75x = 4,611,199,092,869,919,744 - Step 5: Solve for x
x = 4,611,199,092,869,919,744/2,477,672,948.75 - Step 6: Final answer
x = 1,861,100,794.27
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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.