Finding the Fourth Proportional to 449,561,236.91, 674,034,979.62 and 239,503,327.79
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Solution
The fourth proportional to 449,561,236.91, 674,034,979.62 and 239,503,327.79 is: 359,091,503.92
Step by Step Solution
- Step 1: Write the proportion equation
449,561,236.91 : 674,034,979.62 = 239,503,327.79 : x - Step 2: Convert to fraction form
449,561,236.91/674,034,979.62 = 239,503,327.79/x - Step 3: Cross multiply
449,561,236.91x = 674,034,979.62 × 239,503,327.79 - Step 4: Simplify right side
449,561,236.91x = 161,433,620,662,484,640 - Step 5: Solve for x
x = 161,433,620,662,484,640/449,561,236.91 - Step 6: Final answer
x = 359,091,503.92
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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.