Finding the Fourth Proportional to 478,479,377.07, 717,840,117.27 and 133,433,040.96
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Solution
The fourth proportional to 478,479,377.07, 717,840,117.27 and 133,433,040.96 is: 200,183,318.99
Step by Step Solution
- Step 1: Write the proportion equation
478,479,377.07 : 717,840,117.27 = 133,433,040.96 : x - Step 2: Convert to fraction form
478,479,377.07/717,840,117.27 = 133,433,040.96/x - Step 3: Cross multiply
478,479,377.07x = 717,840,117.27 × 133,433,040.96 - Step 4: Simplify right side
478,479,377.07x = 95,783,589,770,419,104 - Step 5: Solve for x
x = 95,783,589,770,419,104/478,479,377.07 - Step 6: Final answer
x = 200,183,318.99
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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.