Finding the Fourth Proportional to 2,668,160,983.22, 3,682,062,505.86 and 1,478,806,737.08
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Solution
The fourth proportional to 2,668,160,983.22, 3,682,062,505.86 and 1,478,806,737.08 is: 2,040,753,490.61
Step by Step Solution
- Step 1: Write the proportion equation
2,668,160,983.22 : 3,682,062,505.86 = 1,478,806,737.08 : x - Step 2: Convert to fraction form
2,668,160,983.22/3,682,062,505.86 = 1,478,806,737.08/x - Step 3: Cross multiply
2,668,160,983.22x = 3,682,062,505.86 × 1,478,806,737.08 - Step 4: Simplify right side
2,668,160,983.22x = 5,445,058,840,015,434,752 - Step 5: Solve for x
x = 5,445,058,840,015,434,752/2,668,160,983.22 - Step 6: Final answer
x = 2,040,753,490.61
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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.