Finding the Fourth Proportional to 363,956,739.80, 545,935,109.70 and 226,207,232.60
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Solution
The fourth proportional to 363,956,739.80, 545,935,109.70 and 226,207,232.60 is: 339,310,848.90
Step by Step Solution
- Step 1: Write the proportion equation
363,956,739.80 : 545,935,109.70 = 226,207,232.60 : x - Step 2: Convert to fraction form
363,956,739.80/545,935,109.70 = 226,207,232.60/x - Step 3: Cross multiply
363,956,739.80x = 545,935,109.70 × 226,207,232.60 - Step 4: Simplify right side
363,956,739.80x = 123,494,470,344,414,416 - Step 5: Solve for x
x = 123,494,470,344,414,416/363,956,739.80 - Step 6: Final answer
x = 339,310,848.90
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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.