Finding the Fourth Proportional to 8,354,535,079.98, 12,530,439,760.52 and 2,457,715,716.92
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Solution
The fourth proportional to 8,354,535,079.98, 12,530,439,760.52 and 2,457,715,716.92 is: 3,686,172,652.88
Step by Step Solution
- Step 1: Write the proportion equation
8,354,535,079.98 : 12,530,439,760.52 = 2,457,715,716.92 : x - Step 2: Convert to fraction form
8,354,535,079.98/12,530,439,760.52 = 2,457,715,716.92/x - Step 3: Cross multiply
8,354,535,079.98x = 12,530,439,760.52 × 2,457,715,716.92 - Step 4: Simplify right side
8,354,535,079.98x = 30,796,258,739,349,286,912 - Step 5: Solve for x
x = 30,796,258,739,349,286,912/8,354,535,079.98 - Step 6: Final answer
x = 3,686,172,652.88
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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.