Finding the Fourth Proportional to 327,515,576.18, 451,973,680.18 and 178,837,729.61
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Solution
The fourth proportional to 327,515,576.18, 451,973,680.18 and 178,837,729.61 is: 246,797,259.99
Step by Step Solution
- Step 1: Write the proportion equation
327,515,576.18 : 451,973,680.18 = 178,837,729.61 : x - Step 2: Convert to fraction form
327,515,576.18/451,973,680.18 = 178,837,729.61/x - Step 3: Cross multiply
327,515,576.18x = 451,973,680.18 × 178,837,729.61 - Step 4: Simplify right side
327,515,576.18x = 80,829,946,804,160,496 - Step 5: Solve for x
x = 80,829,946,804,160,496/327,515,576.18 - Step 6: Final answer
x = 246,797,259.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.