Finding the Fourth Proportional to 332,474,135.20, 499,215,087.60 and 255,883,645.60
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Solution
The fourth proportional to 332,474,135.20, 499,215,087.60 and 255,883,645.60 is: 384,213,275.65
Step by Step Solution
- Step 1: Write the proportion equation
332,474,135.20 : 499,215,087.60 = 255,883,645.60 : x - Step 2: Convert to fraction form
332,474,135.20/499,215,087.60 = 255,883,645.60/x - Step 3: Cross multiply
332,474,135.20x = 499,215,087.60 × 255,883,645.60 - Step 4: Simplify right side
332,474,135.20x = 127,740,976,553,611,360 - Step 5: Solve for x
x = 127,740,976,553,611,360/332,474,135.20 - Step 6: Final answer
x = 384,213,275.65
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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.