Finding the Fourth Proportional to 288,096,534.09, 397,573,236.51 and 157,716,342.09
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Solution
The fourth proportional to 288,096,534.09, 397,573,236.51 and 157,716,342.09 is: 217,648,562.74
Step by Step Solution
- Step 1: Write the proportion equation
288,096,534.09 : 397,573,236.51 = 157,716,342.09 : x - Step 2: Convert to fraction form
288,096,534.09/397,573,236.51 = 157,716,342.09/x - Step 3: Cross multiply
288,096,534.09x = 397,573,236.51 × 157,716,342.09 - Step 4: Simplify right side
288,096,534.09x = 62,703,796,575,239,640 - Step 5: Solve for x
x = 62,703,796,575,239,640/288,096,534.09 - Step 6: Final answer
x = 217,648,562.74
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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.