Finding the Fourth Proportional to 327,302,136.45, 490,953,204.68 and 204,618,981.60
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Solution
The fourth proportional to 327,302,136.45, 490,953,204.68 and 204,618,981.60 is: 306,928,472.40
Step by Step Solution
- Step 1: Write the proportion equation
327,302,136.45 : 490,953,204.68 = 204,618,981.60 : x - Step 2: Convert to fraction form
327,302,136.45/490,953,204.68 = 204,618,981.60/x - Step 3: Cross multiply
327,302,136.45x = 490,953,204.68 × 204,618,981.60 - Step 4: Simplify right side
327,302,136.45x = 100,458,344,753,854,864 - Step 5: Solve for x
x = 100,458,344,753,854,864/327,302,136.45 - Step 6: Final answer
x = 306,928,472.40
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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.