Finding the Fourth Proportional to 288,734,911.70, 433,102,367.55 and 220,710,463.70
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Solution
The fourth proportional to 288,734,911.70, 433,102,367.55 and 220,710,463.70 is: 331,065,695.55
Step by Step Solution
- Step 1: Write the proportion equation
288,734,911.70 : 433,102,367.55 = 220,710,463.70 : x - Step 2: Convert to fraction form
288,734,911.70/433,102,367.55 = 220,710,463.70/x - Step 3: Cross multiply
288,734,911.70x = 433,102,367.55 × 220,710,463.70 - Step 4: Simplify right side
288,734,911.70x = 95,590,224,371,528,336 - Step 5: Solve for x
x = 95,590,224,371,528,336/288,734,911.70 - Step 6: Final answer
x = 331,065,695.55
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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.