Finding the Fourth Proportional to 288,734,976.70, 433,102,465.05 and 220,710,528.70
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Solution
The fourth proportional to 288,734,976.70, 433,102,465.05 and 220,710,528.70 is: 331,065,793.05
Step by Step Solution
- Step 1: Write the proportion equation
288,734,976.70 : 433,102,465.05 = 220,710,528.70 : x - Step 2: Convert to fraction form
288,734,976.70/433,102,465.05 = 220,710,528.70/x - Step 3: Cross multiply
288,734,976.70x = 433,102,465.05 × 220,710,528.70 - Step 4: Simplify right side
288,734,976.70x = 95,590,274,042,458,768 - Step 5: Solve for x
x = 95,590,274,042,458,768/288,734,976.70 - Step 6: Final answer
x = 331,065,793.05
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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.