Finding the Fourth Proportional to 987,543,615.07, 1,480,278,485.25 and 332,267,146.66
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Solution
The fourth proportional to 987,543,615.07, 1,480,278,485.25 and 332,267,146.66 is: 498,051,833.92
Step by Step Solution
- Step 1: Write the proportion equation
987,543,615.07 : 1,480,278,485.25 = 332,267,146.66 : x - Step 2: Convert to fraction form
987,543,615.07/1,480,278,485.25 = 332,267,146.66/x - Step 3: Cross multiply
987,543,615.07x = 1,480,278,485.25 × 332,267,146.66 - Step 4: Simplify right side
987,543,615.07x = 491,847,908,558,054,720 - Step 5: Solve for x
x = 491,847,908,558,054,720/987,543,615.07 - Step 6: Final answer
x = 498,051,833.92
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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.