Finding the Fourth Proportional to 449,415,451.66, 674,123,177.49 and 126,299,323.66
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Solution
The fourth proportional to 449,415,451.66, 674,123,177.49 and 126,299,323.66 is: 189,448,985.48
Step by Step Solution
- Step 1: Write the proportion equation
449,415,451.66 : 674,123,177.49 = 126,299,323.66 : x - Step 2: Convert to fraction form
449,415,451.66/674,123,177.49 = 126,299,323.66/x - Step 3: Cross multiply
449,415,451.66x = 674,123,177.49 × 126,299,323.66 - Step 4: Simplify right side
449,415,451.66x = 85,141,301,377,357,680 - Step 5: Solve for x
x = 85,141,301,377,357,680/449,415,451.66 - Step 6: Final answer
x = 189,448,985.48
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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.