Finding the Fourth Proportional to 913,723,363.84, 1,370,585,011.20 and 267,491,107.84
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Solution
The fourth proportional to 913,723,363.84, 1,370,585,011.20 and 267,491,107.84 is: 401,236,651.64
Step by Step Solution
- Step 1: Write the proportion equation
913,723,363.84 : 1,370,585,011.20 = 267,491,107.84 : x - Step 2: Convert to fraction form
913,723,363.84/1,370,585,011.20 = 267,491,107.84/x - Step 3: Cross multiply
913,723,363.84x = 1,370,585,011.20 × 267,491,107.84 - Step 4: Simplify right side
913,723,363.84x = 366,619,303,034,786,816 - Step 5: Solve for x
x = 366,619,303,034,786,816/913,723,363.84 - Step 6: Final answer
x = 401,236,651.64
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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.