Finding the Fourth Proportional to 443,728,856.63, 612,341,282.00 and 245,491,770.18
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Solution
The fourth proportional to 443,728,856.63, 612,341,282.00 and 245,491,770.18 is: 338,776,131.02
Step by Step Solution
- Step 1: Write the proportion equation
443,728,856.63 : 612,341,282.00 = 245,491,770.18 : x - Step 2: Convert to fraction form
443,728,856.63/612,341,282.00 = 245,491,770.18/x - Step 3: Cross multiply
443,728,856.63x = 612,341,282.00 × 245,491,770.18 - Step 4: Simplify right side
443,728,856.63x = 150,324,745,270,559,584 - Step 5: Solve for x
x = 150,324,745,270,559,584/443,728,856.63 - Step 6: Final answer
x = 338,776,131.02
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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.