Finding the Fourth Proportional to 2,183,744,524.80, 3,275,616,787.20 and 959,304,460.80
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Solution
The fourth proportional to 2,183,744,524.80, 3,275,616,787.20 and 959,304,460.80 is: 1,438,956,691.20
Step by Step Solution
- Step 1: Write the proportion equation
2,183,744,524.80 : 3,275,616,787.20 = 959,304,460.80 : x - Step 2: Convert to fraction form
2,183,744,524.80/3,275,616,787.20 = 959,304,460.80/x - Step 3: Cross multiply
2,183,744,524.80x = 3,275,616,787.20 × 959,304,460.80 - Step 4: Simplify right side
2,183,744,524.80x = 3,142,313,795,832,324,096 - Step 5: Solve for x
x = 3,142,313,795,832,324,096/2,183,744,524.80 - Step 6: Final answer
x = 1,438,956,691.20
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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.