Finding the Fourth Proportional to 4,164,048,122.20, 6,246,072,183.30 and 3,980,382,112.60
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Solution
The fourth proportional to 4,164,048,122.20, 6,246,072,183.30 and 3,980,382,112.60 is: 5,970,573,168.90
Step by Step Solution
- Step 1: Write the proportion equation
4,164,048,122.20 : 6,246,072,183.30 = 3,980,382,112.60 : x - Step 2: Convert to fraction form
4,164,048,122.20/6,246,072,183.30 = 3,980,382,112.60/x - Step 3: Cross multiply
4,164,048,122.20x = 6,246,072,183.30 × 3,980,382,112.60 - Step 4: Simplify right side
4,164,048,122.20x = 24,861,753,992,415,748,096 - Step 5: Solve for x
x = 24,861,753,992,415,748,096/4,164,048,122.20 - Step 6: Final answer
x = 5,970,573,168.90
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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.