Finding the Fourth Proportional to 494,507,498.70, 741,761,248.05 and 126,041,738.70
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Solution
The fourth proportional to 494,507,498.70, 741,761,248.05 and 126,041,738.70 is: 189,062,608.05
Step by Step Solution
- Step 1: Write the proportion equation
494,507,498.70 : 741,761,248.05 = 126,041,738.70 : x - Step 2: Convert to fraction form
494,507,498.70/741,761,248.05 = 126,041,738.70/x - Step 3: Cross multiply
494,507,498.70x = 741,761,248.05 × 126,041,738.70 - Step 4: Simplify right side
494,507,498.70x = 93,492,877,404,503,984 - Step 5: Solve for x
x = 93,492,877,404,503,984/494,507,498.70 - Step 6: Final answer
x = 189,062,608.05
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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.