Finding the Fourth Proportional to 1,208,796,163.20, 1,813,194,244.80 and 335,395,843.20
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Solution
The fourth proportional to 1,208,796,163.20, 1,813,194,244.80 and 335,395,843.20 is: 503,093,764.80
Step by Step Solution
- Step 1: Write the proportion equation
1,208,796,163.20 : 1,813,194,244.80 = 335,395,843.20 : x - Step 2: Convert to fraction form
1,208,796,163.20/1,813,194,244.80 = 335,395,843.20/x - Step 3: Cross multiply
1,208,796,163.20x = 1,813,194,244.80 × 335,395,843.20 - Step 4: Simplify right side
1,208,796,163.20x = 608,137,812,620,083,200 - Step 5: Solve for x
x = 608,137,812,620,083,200/1,208,796,163.20 - Step 6: Final answer
x = 503,093,764.80
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Similar ratio
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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.