Finding the Fourth Proportional to 202,270,519.20, 303,405,778.80 and 202,270,519.20
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Solution
The fourth proportional to 202,270,519.20, 303,405,778.80 and 202,270,519.20 is: 303,405,778.80
Step by Step Solution
- Step 1: Write the proportion equation
202,270,519.20 : 303,405,778.80 = 202,270,519.20 : x - Step 2: Convert to fraction form
202,270,519.20/303,405,778.80 = 202,270,519.20/x - Step 3: Cross multiply
202,270,519.20x = 303,405,778.80 × 202,270,519.20 - Step 4: Simplify right side
202,270,519.20x = 61,370,044,406,156,352 - Step 5: Solve for x
x = 61,370,044,406,156,352/202,270,519.20 - Step 6: Final answer
x = 303,405,778.80
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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.