Finding the Fourth Proportional to 2,247,625,576.80, 3,371,438,365.20 and 954,993,103.20
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Solution
The fourth proportional to 2,247,625,576.80, 3,371,438,365.20 and 954,993,103.20 is: 1,432,489,654.80
Step by Step Solution
- Step 1: Write the proportion equation
2,247,625,576.80 : 3,371,438,365.20 = 954,993,103.20 : x - Step 2: Convert to fraction form
2,247,625,576.80/3,371,438,365.20 = 954,993,103.20/x - Step 3: Cross multiply
2,247,625,576.80x = 3,371,438,365.20 × 954,993,103.20 - Step 4: Simplify right side
2,247,625,576.80x = 3,219,700,386,629,882,880 - Step 5: Solve for x
x = 3,219,700,386,629,882,880/2,247,625,576.80 - Step 6: Final answer
x = 1,432,489,654.80
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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.