Finding the Fourth Proportional to 288,096,531.84, 397,573,233.41 and 157,716,339.84
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Solution
The fourth proportional to 288,096,531.84, 397,573,233.41 and 157,716,339.84 is: 217,648,559.64
Step by Step Solution
- Step 1: Write the proportion equation
288,096,531.84 : 397,573,233.41 = 157,716,339.84 : x - Step 2: Convert to fraction form
288,096,531.84/397,573,233.41 = 157,716,339.84/x - Step 3: Cross multiply
288,096,531.84x = 397,573,233.41 × 157,716,339.84 - Step 4: Simplify right side
288,096,531.84x = 62,703,795,190,990,616 - Step 5: Solve for x
x = 62,703,795,190,990,616/288,096,531.84 - Step 6: Final answer
x = 217,648,559.64
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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.