Finding the Fourth Proportional to 201,010,711.70, 281,797,633.90 and 201,010,711.70
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Solution
The fourth proportional to 201,010,711.70, 281,797,633.90 and 201,010,711.70 is: 281,797,633.90
Step by Step Solution
- Step 1: Write the proportion equation
201,010,711.70 : 281,797,633.90 = 201,010,711.70 : x - Step 2: Convert to fraction form
201,010,711.70/281,797,633.90 = 201,010,711.70/x - Step 3: Cross multiply
201,010,711.70x = 281,797,633.90 × 201,010,711.70 - Step 4: Simplify right side
201,010,711.70x = 56,644,342,945,615,040 - Step 5: Solve for x
x = 56,644,342,945,615,040/201,010,711.70 - Step 6: Final answer
x = 281,797,633.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.