Finding the Fourth Proportional to 756,246,859.20, 1,134,370,293.12 and 239,040,535.68
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Solution
The fourth proportional to 756,246,859.20, 1,134,370,293.12 and 239,040,535.68 is: 358,560,804.89
Step by Step Solution
- Step 1: Write the proportion equation
756,246,859.20 : 1,134,370,293.12 = 239,040,535.68 : x - Step 2: Convert to fraction form
756,246,859.20/1,134,370,293.12 = 239,040,535.68/x - Step 3: Cross multiply
756,246,859.20x = 1,134,370,293.12 × 239,040,535.68 - Step 4: Simplify right side
756,246,859.20x = 271,160,482,526,883,392 - Step 5: Solve for x
x = 271,160,482,526,883,392/756,246,859.20 - Step 6: Final answer
x = 358,560,804.89
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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.