Finding the Fourth Proportional to 7,395,861,409.20, 11,093,792,113.80 and 2,486,903,713.20
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Solution
The fourth proportional to 7,395,861,409.20, 11,093,792,113.80 and 2,486,903,713.20 is: 3,730,355,569.80
Step by Step Solution
- Step 1: Write the proportion equation
7,395,861,409.20 : 11,093,792,113.80 = 2,486,903,713.20 : x - Step 2: Convert to fraction form
7,395,861,409.20/11,093,792,113.80 = 2,486,903,713.20/x - Step 3: Cross multiply
7,395,861,409.20x = 11,093,792,113.80 × 2,486,903,713.20 - Step 4: Simplify right side
7,395,861,409.20x = 27,589,192,801,278,091,264 - Step 5: Solve for x
x = 27,589,192,801,278,091,264/7,395,861,409.20 - Step 6: Final answer
x = 3,730,355,569.80
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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.