Finding the Fourth Proportional to 445,011,460.20, 667,612,861.84 and 149,935,902.08
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Solution
The fourth proportional to 445,011,460.20, 667,612,861.84 and 149,935,902.08 is: 224,936,087.34
Step by Step Solution
- Step 1: Write the proportion equation
445,011,460.20 : 667,612,861.84 = 149,935,902.08 : x - Step 2: Convert to fraction form
445,011,460.20/667,612,861.84 = 149,935,902.08/x - Step 3: Cross multiply
445,011,460.20x = 667,612,861.84 × 149,935,902.08 - Step 4: Simplify right side
445,011,460.20x = 100,099,136,680,190,816 - Step 5: Solve for x
x = 100,099,136,680,190,816/445,011,460.20 - Step 6: Final answer
x = 224,936,087.34
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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.