Finding the Fourth Proportional to 194,067,185,338.50, 291,106,708,327.98 and 66,580,088,785.44
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Solution
The fourth proportional to 194,067,185,338.50, 291,106,708,327.98 and 66,580,088,785.44 is: 99,872,167,737.72
Step by Step Solution
- Step 1: Write the proportion equation
194,067,185,338.50 : 291,106,708,327.98 = 66,580,088,785.44 : x - Step 2: Convert to fraction form
194,067,185,338.50/291,106,708,327.98 = 66,580,088,785.44/x - Step 3: Cross multiply
194,067,185,338.50x = 291,106,708,327.98 × 66,580,088,785.44 - Step 4: Simplify right side
194,067,185,338.50x = 19,381,910,486,514,092,998,656 - Step 5: Solve for x
x = 19,381,910,486,514,092,998,656/194,067,185,338.50 - Step 6: Final answer
x = 99,872,167,737.72
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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.