Finding the Fourth Proportional to 299,552,440.60, 449,328,660.90 and 251,179,499.80
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Solution
The fourth proportional to 299,552,440.60, 449,328,660.90 and 251,179,499.80 is: 376,769,249.70
Step by Step Solution
- Step 1: Write the proportion equation
299,552,440.60 : 449,328,660.90 = 251,179,499.80 : x - Step 2: Convert to fraction form
299,552,440.60/449,328,660.90 = 251,179,499.80/x - Step 3: Cross multiply
299,552,440.60x = 449,328,660.90 × 251,179,499.80 - Step 4: Simplify right side
299,552,440.60x = 112,862,148,290,665,824 - Step 5: Solve for x
x = 112,862,148,290,665,824/299,552,440.60 - Step 6: Final answer
x = 376,769,249.70
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1.5x scale
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.