Finding the Fourth Proportional to 3,832,987,871.20, 5,749,481,806.80 and 2,455,492,799.20
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Solution
The fourth proportional to 3,832,987,871.20, 5,749,481,806.80 and 2,455,492,799.20 is: 3,683,239,198.80
Step by Step Solution
- Step 1: Write the proportion equation
3,832,987,871.20 : 5,749,481,806.80 = 2,455,492,799.20 : x - Step 2: Convert to fraction form
3,832,987,871.20/5,749,481,806.80 = 2,455,492,799.20/x - Step 3: Cross multiply
3,832,987,871.20x = 5,749,481,806.80 × 2,455,492,799.20 - Step 4: Simplify right side
3,832,987,871.20x = 14,117,811,175,728,805,888 - Step 5: Solve for x
x = 14,117,811,175,728,805,888/3,832,987,871.20 - Step 6: Final answer
x = 3,683,239,198.80
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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.