Finding the Fourth Proportional to 347,796,181.80, 521,694,272.70 and 330,790,069.80
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Solution
The fourth proportional to 347,796,181.80, 521,694,272.70 and 330,790,069.80 is: 496,185,104.70
Step by Step Solution
- Step 1: Write the proportion equation
347,796,181.80 : 521,694,272.70 = 330,790,069.80 : x - Step 2: Convert to fraction form
347,796,181.80/521,694,272.70 = 330,790,069.80/x - Step 3: Cross multiply
347,796,181.80x = 521,694,272.70 × 330,790,069.80 - Step 4: Simplify right side
347,796,181.80x = 172,571,284,880,693,248 - Step 5: Solve for x
x = 172,571,284,880,693,248/347,796,181.80 - Step 6: Final answer
x = 496,185,104.70
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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.