Finding the Fourth Proportional to 3,175,468,921.93, 4,382,150,745.29 and 1,765,742,617.54
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Solution
The fourth proportional to 3,175,468,921.93, 4,382,150,745.29 and 1,765,742,617.54 is: 2,436,726,832.37
Step by Step Solution
- Step 1: Write the proportion equation
3,175,468,921.93 : 4,382,150,745.29 = 1,765,742,617.54 : x - Step 2: Convert to fraction form
3,175,468,921.93/4,382,150,745.29 = 1,765,742,617.54/x - Step 3: Cross multiply
3,175,468,921.93x = 4,382,150,745.29 × 1,765,742,617.54 - Step 4: Simplify right side
3,175,468,921.93x = 7,737,750,327,434,397,696 - Step 5: Solve for x
x = 7,737,750,327,434,397,696/3,175,468,921.93 - Step 6: Final answer
x = 2,436,726,832.37
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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.