Finding the Fourth Proportional to 577,476,245.40, 866,214,368.10 and 448,481,736.60
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Solution
The fourth proportional to 577,476,245.40, 866,214,368.10 and 448,481,736.60 is: 672,722,604.90
Step by Step Solution
- Step 1: Write the proportion equation
577,476,245.40 : 866,214,368.10 = 448,481,736.60 : x - Step 2: Convert to fraction form
577,476,245.40/866,214,368.10 = 448,481,736.60/x - Step 3: Cross multiply
577,476,245.40x = 866,214,368.10 × 448,481,736.60 - Step 4: Simplify right side
577,476,245.40x = 388,481,324,073,359,680 - Step 5: Solve for x
x = 388,481,324,073,359,680/577,476,245.40 - Step 6: Final answer
x = 672,722,604.90
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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.