Finding the Fourth Proportional to 369,852,042.26, 510,394,544.34 and 213,218,402.42
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Solution
The fourth proportional to 369,852,042.26, 510,394,544.34 and 213,218,402.42 is: 294,240,660.90
Step by Step Solution
- Step 1: Write the proportion equation
369,852,042.26 : 510,394,544.34 = 213,218,402.42 : x - Step 2: Convert to fraction form
369,852,042.26/510,394,544.34 = 213,218,402.42/x - Step 3: Cross multiply
369,852,042.26x = 510,394,544.34 × 213,218,402.42 - Step 4: Simplify right side
369,852,042.26x = 108,825,509,348,058,640 - Step 5: Solve for x
x = 108,825,509,348,058,640/369,852,042.26 - Step 6: Final answer
x = 294,240,660.90
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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.