Finding the Fourth Proportional to 3,175,468,974.37, 4,382,150,817.64 and 1,765,742,669.92
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Solution
The fourth proportional to 3,175,468,974.37, 4,382,150,817.64 and 1,765,742,669.92 is: 2,436,726,904.65
Step by Step Solution
- Step 1: Write the proportion equation
3,175,468,974.37 : 4,382,150,817.64 = 1,765,742,669.92 : x - Step 2: Convert to fraction form
3,175,468,974.37/4,382,150,817.64 = 1,765,742,669.92/x - Step 3: Cross multiply
3,175,468,974.37x = 4,382,150,817.64 × 1,765,742,669.92 - Step 4: Simplify right side
3,175,468,974.37x = 7,737,750,684,731,765,760 - Step 5: Solve for x
x = 7,737,750,684,731,765,760/3,175,468,974.37 - Step 6: Final answer
x = 2,436,726,904.65
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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.