Finding the Fourth Proportional to 288,096,532.84, 397,573,234.79 and 157,716,340.84
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Solution
The fourth proportional to 288,096,532.84, 397,573,234.79 and 157,716,340.84 is: 217,648,561.02
Step by Step Solution
- Step 1: Write the proportion equation
288,096,532.84 : 397,573,234.79 = 157,716,340.84 : x - Step 2: Convert to fraction form
288,096,532.84/397,573,234.79 = 157,716,340.84/x - Step 3: Cross multiply
288,096,532.84x = 397,573,234.79 × 157,716,340.84 - Step 4: Simplify right side
288,096,532.84x = 62,703,795,807,000,992 - Step 5: Solve for x
x = 62,703,795,807,000,992/288,096,532.84 - Step 6: Final answer
x = 217,648,561.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.