Finding the Fourth Proportional to 299,336,743.30, 449,173,076.55 and 126,784,192.90
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Solution
The fourth proportional to 299,336,743.30, 449,173,076.55 and 126,784,192.90 is: 190,247,429.55
Step by Step Solution
- Step 1: Write the proportion equation
299,336,743.30 : 449,173,076.55 = 126,784,192.90 : x - Step 2: Convert to fraction form
299,336,743.30/449,173,076.55 = 126,784,192.90/x - Step 3: Cross multiply
299,336,743.30x = 449,173,076.55 × 126,784,192.90 - Step 4: Simplify right side
299,336,743.30x = 56,948,045,982,801,672 - Step 5: Solve for x
x = 56,948,045,982,801,672/299,336,743.30 - Step 6: Final answer
x = 190,247,429.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.