Finding the Fourth Proportional to 1,796,304,846.60, 2,694,457,269.90 and 1,106,990,440.20
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Solution
The fourth proportional to 1,796,304,846.60, 2,694,457,269.90 and 1,106,990,440.20 is: 1,660,485,660.30
Step by Step Solution
- Step 1: Write the proportion equation
1,796,304,846.60 : 2,694,457,269.90 = 1,106,990,440.20 : x - Step 2: Convert to fraction form
1,796,304,846.60/2,694,457,269.90 = 1,106,990,440.20/x - Step 3: Cross multiply
1,796,304,846.60x = 2,694,457,269.90 × 1,106,990,440.20 - Step 4: Simplify right side
1,796,304,846.60x = 2,982,738,439,306,691,584 - Step 5: Solve for x
x = 2,982,738,439,306,691,584/1,796,304,846.60 - Step 6: Final answer
x = 1,660,485,660.30
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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.