Finding the Fourth Proportional to 492,361,682.30, 738,542,523.45 and 237,557,714.30
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Solution
The fourth proportional to 492,361,682.30, 738,542,523.45 and 237,557,714.30 is: 356,336,571.45
Step by Step Solution
- Step 1: Write the proportion equation
492,361,682.30 : 738,542,523.45 = 237,557,714.30 : x - Step 2: Convert to fraction form
492,361,682.30/738,542,523.45 = 237,557,714.30/x - Step 3: Cross multiply
492,361,682.30x = 738,542,523.45 × 237,557,714.30 - Step 4: Simplify right side
492,361,682.30x = 175,446,473,784,136,160 - Step 5: Solve for x
x = 175,446,473,784,136,160/492,361,682.30 - Step 6: Final answer
x = 356,336,571.45
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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.