Finding the Fourth Proportional to 263,817,466.80, 395,726,200.20 and 194,942,713.20
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Solution
The fourth proportional to 263,817,466.80, 395,726,200.20 and 194,942,713.20 is: 292,414,069.80
Step by Step Solution
- Step 1: Write the proportion equation
263,817,466.80 : 395,726,200.20 = 194,942,713.20 : x - Step 2: Convert to fraction form
263,817,466.80/395,726,200.20 = 194,942,713.20/x - Step 3: Cross multiply
263,817,466.80x = 395,726,200.20 × 194,942,713.20 - Step 4: Simplify right side
263,817,466.80x = 77,143,939,151,314,368 - Step 5: Solve for x
x = 77,143,939,151,314,368/263,817,466.80 - Step 6: Final answer
x = 292,414,069.80
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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.