Finding the Fourth Proportional to 288,861,712.84, 398,629,163.71 and 165,105,047.17
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Solution
The fourth proportional to 288,861,712.84, 398,629,163.71 and 165,105,047.17 is: 227,844,965.09
Step by Step Solution
- Step 1: Write the proportion equation
288,861,712.84 : 398,629,163.71 = 165,105,047.17 : x - Step 2: Convert to fraction form
288,861,712.84/398,629,163.71 = 165,105,047.17/x - Step 3: Cross multiply
288,861,712.84x = 398,629,163.71 × 165,105,047.17 - Step 4: Simplify right side
288,861,712.84x = 65,815,686,877,677,192 - Step 5: Solve for x
x = 65,815,686,877,677,192/288,861,712.84 - Step 6: Final answer
x = 227,844,965.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.