Finding the Fourth Proportional to 3,540,163,213.20, 5,310,244,819.80 and 3,189,459,392.40
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Solution
The fourth proportional to 3,540,163,213.20, 5,310,244,819.80 and 3,189,459,392.40 is: 4,784,189,088.60
Step by Step Solution
- Step 1: Write the proportion equation
3,540,163,213.20 : 5,310,244,819.80 = 3,189,459,392.40 : x - Step 2: Convert to fraction form
3,540,163,213.20/5,310,244,819.80 = 3,189,459,392.40/x - Step 3: Cross multiply
3,540,163,213.20x = 5,310,244,819.80 × 3,189,459,392.40 - Step 4: Simplify right side
3,540,163,213.20x = 16,936,810,216,454,555,648 - Step 5: Solve for x
x = 16,936,810,216,454,555,648/3,540,163,213.20 - Step 6: Final answer
x = 4,784,189,088.60
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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.