Finding the Fourth Proportional to 11,912,448,268.20, 17,868,672,402.30 and 10,880,492,197.80
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Solution
The fourth proportional to 11,912,448,268.20, 17,868,672,402.30 and 10,880,492,197.80 is: 16,320,738,296.70
Step by Step Solution
- Step 1: Write the proportion equation
11,912,448,268.20 : 17,868,672,402.30 = 10,880,492,197.80 : x - Step 2: Convert to fraction form
11,912,448,268.20/17,868,672,402.30 = 10,880,492,197.80/x - Step 3: Cross multiply
11,912,448,268.20x = 17,868,672,402.30 × 10,880,492,197.80 - Step 4: Simplify right side
11,912,448,268.20x = 194,419,950,658,269,315,072 - Step 5: Solve for x
x = 194,419,950,658,269,315,072/11,912,448,268.20 - Step 6: Final answer
x = 16,320,738,296.70
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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.