Finding the Fourth Proportional to 2,568,209,678.74, 3,544,347,930.69 and 1,454,573,882.26
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Solution
The fourth proportional to 2,568,209,678.74, 3,544,347,930.69 and 1,454,573,882.26 is: 2,007,435,752.74
Step by Step Solution
- Step 1: Write the proportion equation
2,568,209,678.74 : 3,544,347,930.69 = 1,454,573,882.26 : x - Step 2: Convert to fraction form
2,568,209,678.74/3,544,347,930.69 = 1,454,573,882.26/x - Step 3: Cross multiply
2,568,209,678.74x = 3,544,347,930.69 × 1,454,573,882.26 - Step 4: Simplify right side
2,568,209,678.74x = 5,155,515,929,623,950,336 - Step 5: Solve for x
x = 5,155,515,929,623,950,336/2,568,209,678.74 - Step 6: Final answer
x = 2,007,435,752.74
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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.