Finding the Fourth Proportional to 300,840,463.44, 415,121,485.73 and 175,361,264.62
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Solution
The fourth proportional to 300,840,463.44, 415,121,485.73 and 175,361,264.62 is: 241,976,188.56
Step by Step Solution
- Step 1: Write the proportion equation
300,840,463.44 : 415,121,485.73 = 175,361,264.62 : x - Step 2: Convert to fraction form
300,840,463.44/415,121,485.73 = 175,361,264.62/x - Step 3: Cross multiply
300,840,463.44x = 415,121,485.73 × 175,361,264.62 - Step 4: Simplify right side
300,840,463.44x = 72,796,228,707,669,280 - Step 5: Solve for x
x = 72,796,228,707,669,280/300,840,463.44 - Step 6: Final answer
x = 241,976,188.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.