Finding the Fourth Proportional to 2,278,456,620.84, 3,416,554,318.14 and 725,545,616.04
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Solution
The fourth proportional to 2,278,456,620.84, 3,416,554,318.14 and 725,545,616.04 is: 1,087,958,394.65
Step by Step Solution
- Step 1: Write the proportion equation
2,278,456,620.84 : 3,416,554,318.14 = 725,545,616.04 : x - Step 2: Convert to fraction form
2,278,456,620.84/3,416,554,318.14 = 725,545,616.04/x - Step 3: Cross multiply
2,278,456,620.84x = 3,416,554,318.14 × 725,545,616.04 - Step 4: Simplify right side
2,278,456,620.84x = 2,478,866,007,489,008,128 - Step 5: Solve for x
x = 2,478,866,007,489,008,128/2,278,456,620.84 - Step 6: Final answer
x = 1,087,958,394.65
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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.