Finding the Fourth Proportional to 207,121,477,576.62, 283,751,705,521.04 and 199,377,538,182.30
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Solution
The fourth proportional to 207,121,477,576.62, 283,751,705,521.04 and 199,377,538,182.30 is: 273,142,684,977.64
Step by Step Solution
- Step 1: Write the proportion equation
207,121,477,576.62 : 283,751,705,521.04 = 199,377,538,182.30 : x - Step 2: Convert to fraction form
207,121,477,576.62/283,751,705,521.04 = 199,377,538,182.30/x - Step 3: Cross multiply
207,121,477,576.62x = 283,751,705,521.04 × 199,377,538,182.30 - Step 4: Simplify right side
207,121,477,576.62x = 56,573,716,501,813,887,238,144 - Step 5: Solve for x
x = 56,573,716,501,813,887,238,144/207,121,477,576.62 - Step 6: Final answer
x = 273,142,684,977.64
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.