Finding the Fourth Proportional to 263,261,310.30, 394,891,965.45 and 186,733,806.30
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Solution
The fourth proportional to 263,261,310.30, 394,891,965.45 and 186,733,806.30 is: 280,100,709.45
Step by Step Solution
- Step 1: Write the proportion equation
263,261,310.30 : 394,891,965.45 = 186,733,806.30 : x - Step 2: Convert to fraction form
263,261,310.30/394,891,965.45 = 186,733,806.30/x - Step 3: Cross multiply
263,261,310.30x = 394,891,965.45 × 186,733,806.30 - Step 4: Simplify right side
263,261,310.30x = 73,739,679,785,766,592 - Step 5: Solve for x
x = 73,739,679,785,766,592/263,261,310.30 - Step 6: Final answer
x = 280,100,709.45
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Similar ratio
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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.