Finding the Fourth Proportional to 5,405,198,219.48, 7,459,956,651.66 and 3,026,489,450.42
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Solution
The fourth proportional to 5,405,198,219.48, 7,459,956,651.66 and 3,026,489,450.42 is: 4,176,993,921.42
Step by Step Solution
- Step 1: Write the proportion equation
5,405,198,219.48 : 7,459,956,651.66 = 3,026,489,450.42 : x - Step 2: Convert to fraction form
5,405,198,219.48/7,459,956,651.66 = 3,026,489,450.42/x - Step 3: Cross multiply
5,405,198,219.48x = 7,459,956,651.66 × 3,026,489,450.42 - Step 4: Simplify right side
5,405,198,219.48x = 22,577,480,106,839,498,752 - Step 5: Solve for x
x = 22,577,480,106,839,498,752/5,405,198,219.48 - Step 6: Final answer
x = 4,176,993,921.42
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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.