Finding the Fourth Proportional to 3,687,193,204.40, 5,530,789,806.60 and 3,625,971,201.20
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Solution
The fourth proportional to 3,687,193,204.40, 5,530,789,806.60 and 3,625,971,201.20 is: 5,438,956,801.80
Step by Step Solution
- Step 1: Write the proportion equation
3,687,193,204.40 : 5,530,789,806.60 = 3,625,971,201.20 : x - Step 2: Convert to fraction form
3,687,193,204.40/5,530,789,806.60 = 3,625,971,201.20/x - Step 3: Cross multiply
3,687,193,204.40x = 5,530,789,806.60 × 3,625,971,201.20 - Step 4: Simplify right side
3,687,193,204.40x = 20,054,484,558,622,117,888 - Step 5: Solve for x
x = 20,054,484,558,622,117,888/3,687,193,204.40 - Step 6: Final answer
x = 5,438,956,801.80
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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.