Finding the Fourth Proportional to 3,288,642,724.12, 4,930,994,086.68 and 1,046,721,640.12
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Solution
The fourth proportional to 3,288,642,724.12, 4,930,994,086.68 and 1,046,721,640.12 is: 1,569,455,441.29
Step by Step Solution
- Step 1: Write the proportion equation
3,288,642,724.12 : 4,930,994,086.68 = 1,046,721,640.12 : x - Step 2: Convert to fraction form
3,288,642,724.12/4,930,994,086.68 = 1,046,721,640.12/x - Step 3: Cross multiply
3,288,642,724.12x = 4,930,994,086.68 × 1,046,721,640.12 - Step 4: Simplify right side
3,288,642,724.12x = 5,161,378,217,831,711,744 - Step 5: Solve for x
x = 5,161,378,217,831,711,744/3,288,642,724.12 - Step 6: Final answer
x = 1,569,455,441.29
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1.5x scale
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.