Finding the Fourth Proportional to 1,943,083,361.80, 2,914,625,042.70 and 960,661,529.20
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Solution
The fourth proportional to 1,943,083,361.80, 2,914,625,042.70 and 960,661,529.20 is: 1,440,992,293.80
Step by Step Solution
- Step 1: Write the proportion equation
1,943,083,361.80 : 2,914,625,042.70 = 960,661,529.20 : x - Step 2: Convert to fraction form
1,943,083,361.80/2,914,625,042.70 = 960,661,529.20/x - Step 3: Cross multiply
1,943,083,361.80x = 2,914,625,042.70 × 960,661,529.20 - Step 4: Simplify right side
1,943,083,361.80x = 2,799,968,150,564,797,440 - Step 5: Solve for x
x = 2,799,968,150,564,797,440/1,943,083,361.80 - Step 6: Final answer
x = 1,440,992,293.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.