Finding the Fourth Proportional to 3,586,896,441.60, 5,380,344,662.40 and 2,135,708,217.60
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Solution
The fourth proportional to 3,586,896,441.60, 5,380,344,662.40 and 2,135,708,217.60 is: 3,203,562,326.40
Step by Step Solution
- Step 1: Write the proportion equation
3,586,896,441.60 : 5,380,344,662.40 = 2,135,708,217.60 : x - Step 2: Convert to fraction form
3,586,896,441.60/5,380,344,662.40 = 2,135,708,217.60/x - Step 3: Cross multiply
3,586,896,441.60x = 5,380,344,662.40 × 2,135,708,217.60 - Step 4: Simplify right side
3,586,896,441.60x = 11,490,846,309,007,976,448 - Step 5: Solve for x
x = 11,490,846,309,007,976,448/3,586,896,441.60 - Step 6: Final answer
x = 3,203,562,326.40
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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.