Finding the Fourth Proportional to 5,457,612,046.53, 7,531,527,315.60 and 2,951,485,757.40
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Solution
The fourth proportional to 5,457,612,046.53, 7,531,527,315.60 and 2,951,485,757.40 is: 4,073,062,616.75
Step by Step Solution
- Step 1: Write the proportion equation
5,457,612,046.53 : 7,531,527,315.60 = 2,951,485,757.40 : x - Step 2: Convert to fraction form
5,457,612,046.53/7,531,527,315.60 = 2,951,485,757.40/x - Step 3: Cross multiply
5,457,612,046.53x = 7,531,527,315.60 × 2,951,485,757.40 - Step 4: Simplify right side
5,457,612,046.53x = 22,229,195,603,462,455,296 - Step 5: Solve for x
x = 22,229,195,603,462,455,296/5,457,612,046.53 - Step 6: Final answer
x = 4,073,062,616.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.