Finding the Fourth Proportional to 332,209,125.20, 498,313,687.80 and 147,976,245.20
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Solution
The fourth proportional to 332,209,125.20, 498,313,687.80 and 147,976,245.20 is: 221,964,367.80
Step by Step Solution
- Step 1: Write the proportion equation
332,209,125.20 : 498,313,687.80 = 147,976,245.20 : x - Step 2: Convert to fraction form
332,209,125.20/498,313,687.80 = 147,976,245.20/x - Step 3: Cross multiply
332,209,125.20x = 498,313,687.80 × 147,976,245.20 - Step 4: Simplify right side
332,209,125.20x = 73,738,588,452,409,040 - Step 5: Solve for x
x = 73,738,588,452,409,040/332,209,125.20 - Step 6: Final answer
x = 221,964,367.80
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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.