Finding the Fourth Proportional to 1,729,270,728.92, 2,384,609,922.60 and 1,479,202,923.26
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Solution
The fourth proportional to 1,729,270,728.92, 2,384,609,922.60 and 1,479,202,923.26 is: 2,039,774,287.13
Step by Step Solution
- Step 1: Write the proportion equation
1,729,270,728.92 : 2,384,609,922.60 = 1,479,202,923.26 : x - Step 2: Convert to fraction form
1,729,270,728.92/2,384,609,922.60 = 1,479,202,923.26/x - Step 3: Cross multiply
1,729,270,728.92x = 2,384,609,922.60 × 1,479,202,923.26 - Step 4: Simplify right side
1,729,270,728.92x = 3,527,321,968,344,721,920 - Step 5: Solve for x
x = 3,527,321,968,344,721,920/1,729,270,728.92 - Step 6: Final answer
x = 2,039,774,287.13
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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.