Finding the Fourth Proportional to 3,985,729,202.80, 5,978,593,804.20 and 2,883,733,145.20
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Solution
The fourth proportional to 3,985,729,202.80, 5,978,593,804.20 and 2,883,733,145.20 is: 4,325,599,717.80
Step by Step Solution
- Step 1: Write the proportion equation
3,985,729,202.80 : 5,978,593,804.20 = 2,883,733,145.20 : x - Step 2: Convert to fraction form
3,985,729,202.80/5,978,593,804.20 = 2,883,733,145.20/x - Step 3: Cross multiply
3,985,729,202.80x = 5,978,593,804.20 × 2,883,733,145.20 - Step 4: Simplify right side
3,985,729,202.80x = 17,240,669,114,858,897,408 - Step 5: Solve for x
x = 17,240,669,114,858,897,408/3,985,729,202.80 - Step 6: Final answer
x = 4,325,599,717.80
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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.