Finding the Fourth Proportional to 5,310,568,855.11, 7,961,926,203.17 and 3,211,578,621.46
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Solution
The fourth proportional to 5,310,568,855.11, 7,961,926,203.17 and 3,211,578,621.46 is: 4,814,993,021.92
Step by Step Solution
- Step 1: Write the proportion equation
5,310,568,855.11 : 7,961,926,203.17 = 3,211,578,621.46 : x - Step 2: Convert to fraction form
5,310,568,855.11/7,961,926,203.17 = 3,211,578,621.46/x - Step 3: Cross multiply
5,310,568,855.11x = 7,961,926,203.17 × 3,211,578,621.46 - Step 4: Simplify right side
5,310,568,855.11x = 25,570,351,979,747,536,896 - Step 5: Solve for x
x = 25,570,351,979,747,536,896/5,310,568,855.11 - Step 6: Final answer
x = 4,814,993,021.92
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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.