Finding the Fourth Proportional to 354,895,322.14, 531,867,129.60 and 276,206,841.05
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Solution
The fourth proportional to 354,895,322.14, 531,867,129.60 and 276,206,841.05 is: 413,939,915.69
Step by Step Solution
- Step 1: Write the proportion equation
354,895,322.14 : 531,867,129.60 = 276,206,841.05 : x - Step 2: Convert to fraction form
354,895,322.14/531,867,129.60 = 276,206,841.05/x - Step 3: Cross multiply
354,895,322.14x = 531,867,129.60 × 276,206,841.05 - Step 4: Simplify right side
354,895,322.14x = 146,905,339,726,324,448 - Step 5: Solve for x
x = 146,905,339,726,324,448/354,895,322.14 - Step 6: Final answer
x = 413,939,915.69
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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.