Finding the Fourth Proportional to 3,315,361,958.76, 4,970,591,281.70 and 2,004,972,689.18
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Solution
The fourth proportional to 3,315,361,958.76, 4,970,591,281.70 and 2,004,972,689.18 is: 3,005,976,388.96
Step by Step Solution
- Step 1: Write the proportion equation
3,315,361,958.76 : 4,970,591,281.70 = 2,004,972,689.18 : x - Step 2: Convert to fraction form
3,315,361,958.76/4,970,591,281.70 = 2,004,972,689.18/x - Step 3: Cross multiply
3,315,361,958.76x = 4,970,591,281.70 × 2,004,972,689.18 - Step 4: Simplify right side
3,315,361,958.76x = 9,965,899,768,884,711,424 - Step 5: Solve for x
x = 9,965,899,768,884,711,424/3,315,361,958.76 - Step 6: Final answer
x = 3,005,976,388.96
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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.