Finding the Fourth Proportional to 264,760,555,238.08, 397,138,215,704.58 and 121,298,890,239.82
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Solution
The fourth proportional to 264,760,555,238.08, 397,138,215,704.58 and 121,298,890,239.82 is: 181,947,136,322.74
Step by Step Solution
- Step 1: Write the proportion equation
264,760,555,238.08 : 397,138,215,704.58 = 121,298,890,239.82 : x - Step 2: Convert to fraction form
264,760,555,238.08/397,138,215,704.58 = 121,298,890,239.82/x - Step 3: Cross multiply
264,760,555,238.08x = 397,138,215,704.58 × 121,298,890,239.82 - Step 4: Simplify right side
264,760,555,238.08x = 48,172,424,836,787,816,366,080 - Step 5: Solve for x
x = 48,172,424,836,787,816,366,080/264,760,555,238.08 - Step 6: Final answer
x = 181,947,136,322.74
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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.