Finding the Fourth Proportional to 846,376,635.70, 1,167,859,615.64 and 489,177,674.75
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Solution
The fourth proportional to 846,376,635.70, 1,167,859,615.64 and 489,177,674.75 is: 674,984,193.94
Step by Step Solution
- Step 1: Write the proportion equation
846,376,635.70 : 1,167,859,615.64 = 489,177,674.75 : x - Step 2: Convert to fraction form
846,376,635.70/1,167,859,615.64 = 489,177,674.75/x - Step 3: Cross multiply
846,376,635.70x = 1,167,859,615.64 × 489,177,674.75 - Step 4: Simplify right side
846,376,635.70x = 571,290,851,212,966,976 - Step 5: Solve for x
x = 571,290,851,212,966,976/846,376,635.70 - Step 6: Final answer
x = 674,984,193.94
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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.