Finding the Fourth Proportional to 1,993,619,239.20, 2,751,324,129.36 and 1,101,546,073.44
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Solution
The fourth proportional to 1,993,619,239.20, 2,751,324,129.36 and 1,101,546,073.44 is: 1,520,205,178.53
Step by Step Solution
- Step 1: Write the proportion equation
1,993,619,239.20 : 2,751,324,129.36 = 1,101,546,073.44 : x - Step 2: Convert to fraction form
1,993,619,239.20/2,751,324,129.36 = 1,101,546,073.44/x - Step 3: Cross multiply
1,993,619,239.20x = 2,751,324,129.36 × 1,101,546,073.44 - Step 4: Simplify right side
1,993,619,239.20x = 3,030,710,291,457,234,944 - Step 5: Solve for x
x = 3,030,710,291,457,234,944/1,993,619,239.20 - Step 6: Final answer
x = 1,520,205,178.53
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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.