Finding the Fourth Proportional to 2,272,497,081.92, 3,135,867,361.44 and 1,392,311,113.28
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Solution
The fourth proportional to 2,272,497,081.92, 3,135,867,361.44 and 1,392,311,113.28 is: 1,921,279,904.75
Step by Step Solution
- Step 1: Write the proportion equation
2,272,497,081.92 : 3,135,867,361.44 = 1,392,311,113.28 : x - Step 2: Convert to fraction form
2,272,497,081.92/3,135,867,361.44 = 1,392,311,113.28/x - Step 3: Cross multiply
2,272,497,081.92x = 3,135,867,361.44 × 1,392,311,113.28 - Step 4: Simplify right side
2,272,497,081.92x = 4,366,102,977,104,942,592 - Step 5: Solve for x
x = 4,366,102,977,104,942,592/2,272,497,081.92 - Step 6: Final answer
x = 1,921,279,904.75
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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.