Finding the Fourth Proportional to 963,322,534.28, 1,329,421,639.49 and 539,944,020.65
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Solution
The fourth proportional to 963,322,534.28, 1,329,421,639.49 and 539,944,020.65 is: 745,143,230.45
Step by Step Solution
- Step 1: Write the proportion equation
963,322,534.28 : 1,329,421,639.49 = 539,944,020.65 : x - Step 2: Convert to fraction form
963,322,534.28/1,329,421,639.49 = 539,944,020.65/x - Step 3: Cross multiply
963,322,534.28x = 1,329,421,639.49 × 539,944,020.65 - Step 4: Simplify right side
963,322,534.28x = 717,813,265,155,998,464 - Step 5: Solve for x
x = 717,813,265,155,998,464/963,322,534.28 - Step 6: Final answer
x = 745,143,230.45
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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.