Finding the Fourth Proportional to 6,144,428,448, 8,479,695,237.12 and 3,468,661,971.84
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Solution
The fourth proportional to 6,144,428,448, 8,479,695,237.12 and 3,468,661,971.84 is: 4,786,970,285.47
Step by Step Solution
- Step 1: Write the proportion equation
6,144,428,448 : 8,479,695,237.12 = 3,468,661,971.84 : x - Step 2: Convert to fraction form
6,144,428,448/8,479,695,237.12 = 3,468,661,971.84/x - Step 3: Cross multiply
6,144,428,448x = 8,479,695,237.12 × 3,468,661,971.84 - Step 4: Simplify right side
6,144,428,448x = 29,413,196,401,790,914,560 - Step 5: Solve for x
x = 29,413,196,401,790,914,560/6,144,428,448 - Step 6: Final answer
x = 4,786,970,285.47
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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.