Finding the Fourth Proportional to 8,250,279,412.16, 11,385,386,817 and 4,491,118,517.60
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Solution
The fourth proportional to 8,250,279,412.16, 11,385,386,817 and 4,491,118,517.60 is: 6,197,744,222.88
Step by Step Solution
- Step 1: Write the proportion equation
8,250,279,412.16 : 11,385,386,817 = 4,491,118,517.60 : x - Step 2: Convert to fraction form
8,250,279,412.16/11,385,386,817 = 4,491,118,517.60/x - Step 3: Cross multiply
8,250,279,412.16x = 11,385,386,817 × 4,491,118,517.60 - Step 4: Simplify right side
8,250,279,412.16x = 51,133,121,563,867,627,520 - Step 5: Solve for x
x = 51,133,121,563,867,627,520/8,250,279,412.16 - Step 6: Final answer
x = 6,197,744,222.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.