Finding the Fourth Proportional to 3,825,798,949.80, 5,738,698,424.70 and 3,145,554,469.80
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Solution
The fourth proportional to 3,825,798,949.80, 5,738,698,424.70 and 3,145,554,469.80 is: 4,718,331,704.70
Step by Step Solution
- Step 1: Write the proportion equation
3,825,798,949.80 : 5,738,698,424.70 = 3,145,554,469.80 : x - Step 2: Convert to fraction form
3,825,798,949.80/5,738,698,424.70 = 3,145,554,469.80/x - Step 3: Cross multiply
3,825,798,949.80x = 5,738,698,424.70 × 3,145,554,469.80 - Step 4: Simplify right side
3,825,798,949.80x = 18,051,388,480,649,304,064 - Step 5: Solve for x
x = 18,051,388,480,649,304,064/3,825,798,949.80 - Step 6: Final answer
x = 4,718,331,704.70
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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.