Finding the Fourth Proportional to 3,992,337,136.80, 5,988,393,730.80 and 1,811,299,773.60
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Solution
The fourth proportional to 3,992,337,136.80, 5,988,393,730.80 and 1,811,299,773.60 is: 2,716,898,858.28
Step by Step Solution
- Step 1: Write the proportion equation
3,992,337,136.80 : 5,988,393,730.80 = 1,811,299,773.60 : x - Step 2: Convert to fraction form
3,992,337,136.80/5,988,393,730.80 = 1,811,299,773.60/x - Step 3: Cross multiply
3,992,337,136.80x = 5,988,393,730.80 × 1,811,299,773.60 - Step 4: Simplify right side
3,992,337,136.80x = 10,846,776,208,825,698,304 - Step 5: Solve for x
x = 10,846,776,208,825,698,304/3,992,337,136.80 - Step 6: Final answer
x = 2,716,898,858.28
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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.