Finding the Fourth Proportional to 288,734,851.20, 433,102,276.80 and 220,710,403.20
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Solution
The fourth proportional to 288,734,851.20, 433,102,276.80 and 220,710,403.20 is: 331,065,604.80
Step by Step Solution
- Step 1: Write the proportion equation
288,734,851.20 : 433,102,276.80 = 220,710,403.20 : x - Step 2: Convert to fraction form
288,734,851.20/433,102,276.80 = 220,710,403.20/x - Step 3: Cross multiply
288,734,851.20x = 433,102,276.80 × 220,710,403.20 - Step 4: Simplify right side
288,734,851.20x = 95,590,178,139,366,000 - Step 5: Solve for x
x = 95,590,178,139,366,000/288,734,851.20 - Step 6: Final answer
x = 331,065,604.80
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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.