Finding the Fourth Proportional to 269,148,287.80, 403,722,431.70 and 201,123,839.80
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Solution
The fourth proportional to 269,148,287.80, 403,722,431.70 and 201,123,839.80 is: 301,685,759.70
Step by Step Solution
- Step 1: Write the proportion equation
269,148,287.80 : 403,722,431.70 = 201,123,839.80 : x - Step 2: Convert to fraction form
269,148,287.80/403,722,431.70 = 201,123,839.80/x - Step 3: Cross multiply
269,148,287.80x = 403,722,431.70 × 201,123,839.80 - Step 4: Simplify right side
269,148,287.80x = 81,198,205,676,897,248 - Step 5: Solve for x
x = 81,198,205,676,897,248/269,148,287.80 - Step 6: Final answer
x = 301,685,759.70
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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.