Finding the Fourth Proportional to 451,770,253.26, 677,686,510.50 and 189,190,424.70
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Solution
The fourth proportional to 451,770,253.26, 677,686,510.50 and 189,190,424.70 is: 283,798,673.79
Step by Step Solution
- Step 1: Write the proportion equation
451,770,253.26 : 677,686,510.50 = 189,190,424.70 : x - Step 2: Convert to fraction form
451,770,253.26/677,686,510.50 = 189,190,424.70/x - Step 3: Cross multiply
451,770,253.26x = 677,686,510.50 × 189,190,424.70 - Step 4: Simplify right side
451,770,253.26x = 128,211,798,734,956,000 - Step 5: Solve for x
x = 128,211,798,734,956,000/451,770,253.26 - Step 6: Final answer
x = 283,798,673.79
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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.