Finding the Fourth Proportional to 288,096,536.94, 397,573,240.41 and 157,716,344.94
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Solution
The fourth proportional to 288,096,536.94, 397,573,240.41 and 157,716,344.94 is: 217,648,566.66
Step by Step Solution
- Step 1: Write the proportion equation
288,096,536.94 : 397,573,240.41 = 157,716,344.94 : x - Step 2: Convert to fraction form
288,096,536.94/397,573,240.41 = 157,716,344.94/x - Step 3: Cross multiply
288,096,536.94x = 397,573,240.41 × 157,716,344.94 - Step 4: Simplify right side
288,096,536.94x = 62,703,798,323,417,112 - Step 5: Solve for x
x = 62,703,798,323,417,112/288,096,536.94 - Step 6: Final answer
x = 217,648,566.66
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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.