Finding the Fourth Proportional to 3,910,568,427.88, 5,396,612,504.18 and 2,126,409,096.07
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Solution
The fourth proportional to 3,910,568,427.88, 5,396,612,504.18 and 2,126,409,096.07 is: 2,934,459,817.92
Step by Step Solution
- Step 1: Write the proportion equation
3,910,568,427.88 : 5,396,612,504.18 = 2,126,409,096.07 : x - Step 2: Convert to fraction form
3,910,568,427.88/5,396,612,504.18 = 2,126,409,096.07/x - Step 3: Cross multiply
3,910,568,427.88x = 5,396,612,504.18 × 2,126,409,096.07 - Step 4: Simplify right side
3,910,568,427.88x = 11,475,405,916,831,737,856 - Step 5: Solve for x
x = 11,475,405,916,831,737,856/3,910,568,427.88 - Step 6: Final answer
x = 2,934,459,817.92
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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.