Finding the Fourth Proportional to 2,982,395,344.87, 4,472,875,571.92 and 912,135,042.91
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Solution
The fourth proportional to 2,982,395,344.87, 4,472,875,571.92 and 912,135,042.91 is: 1,367,983,141.05
Step by Step Solution
- Step 1: Write the proportion equation
2,982,395,344.87 : 4,472,875,571.92 = 912,135,042.91 : x - Step 2: Convert to fraction form
2,982,395,344.87/4,472,875,571.92 = 912,135,042.91/x - Step 3: Cross multiply
2,982,395,344.87x = 4,472,875,571.92 × 912,135,042.91 - Step 4: Simplify right side
2,982,395,344.87x = 4,079,866,551,707,667,456 - Step 5: Solve for x
x = 4,079,866,551,707,667,456/2,982,395,344.87 - Step 6: Final answer
x = 1,367,983,141.05
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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.