Finding the Fourth Proportional to 852,093,207.70, 1,278,139,811.55 and 367,419,015.70
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Solution
The fourth proportional to 852,093,207.70, 1,278,139,811.55 and 367,419,015.70 is: 551,128,523.55
Step by Step Solution
- Step 1: Write the proportion equation
852,093,207.70 : 1,278,139,811.55 = 367,419,015.70 : x - Step 2: Convert to fraction form
852,093,207.70/1,278,139,811.55 = 367,419,015.70/x - Step 3: Cross multiply
852,093,207.70x = 1,278,139,811.55 × 367,419,015.70 - Step 4: Simplify right side
852,093,207.70x = 469,612,871,486,684,480 - Step 5: Solve for x
x = 469,612,871,486,684,480/852,093,207.70 - Step 6: Final answer
x = 551,128,523.55
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Similar ratio
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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.