Finding the Fourth Proportional to 6,679,388,394.85, 9,220,694,231.20 and 3,859,450,846.24
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Solution
The fourth proportional to 6,679,388,394.85, 9,220,694,231.20 and 3,859,450,846.24 is: 5,327,855,493.62
Step by Step Solution
- Step 1: Write the proportion equation
6,679,388,394.85 : 9,220,694,231.20 = 3,859,450,846.24 : x - Step 2: Convert to fraction form
6,679,388,394.85/9,220,694,231.20 = 3,859,450,846.24/x - Step 3: Cross multiply
6,679,388,394.85x = 9,220,694,231.20 × 3,859,450,846.24 - Step 4: Simplify right side
6,679,388,394.85x = 35,586,816,153,525,125,120 - Step 5: Solve for x
x = 35,586,816,153,525,125,120/6,679,388,394.85 - Step 6: Final answer
x = 5,327,855,493.62
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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.