Finding the Fourth Proportional to 962,753,367.36, 1,440,912,243.36 and 548,118,878.40
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Solution
The fourth proportional to 962,753,367.36, 1,440,912,243.36 and 548,118,878.40 is: 820,346,341.52
Step by Step Solution
- Step 1: Write the proportion equation
962,753,367.36 : 1,440,912,243.36 = 548,118,878.40 : x - Step 2: Convert to fraction form
962,753,367.36/1,440,912,243.36 = 548,118,878.40/x - Step 3: Cross multiply
962,753,367.36x = 1,440,912,243.36 × 548,118,878.40 - Step 4: Simplify right side
962,753,367.36x = 789,791,202,703,310,976 - Step 5: Solve for x
x = 789,791,202,703,310,976/962,753,367.36 - Step 6: Final answer
x = 820,346,341.52
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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.