Finding the Fourth Proportional to 4,079,764,817.60, 6,121,158,880.80 and 1,627,861,380.80
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Solution
The fourth proportional to 4,079,764,817.60, 6,121,158,880.80 and 1,627,861,380.80 is: 2,442,395,234.35
Step by Step Solution
- Step 1: Write the proportion equation
4,079,764,817.60 : 6,121,158,880.80 = 1,627,861,380.80 : x - Step 2: Convert to fraction form
4,079,764,817.60/6,121,158,880.80 = 1,627,861,380.80/x - Step 3: Cross multiply
4,079,764,817.60x = 6,121,158,880.80 × 1,627,861,380.80 - Step 4: Simplify right side
4,079,764,817.60x = 9,964,398,147,795,269,632 - Step 5: Solve for x
x = 9,964,398,147,795,269,632/4,079,764,817.60 - Step 6: Final answer
x = 2,442,395,234.35
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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.