Finding the Fourth Proportional to 4,888,936,847.16, 6,746,895,633.90 and 2,745,920,578.68
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Solution
The fourth proportional to 4,888,936,847.16, 6,746,895,633.90 and 2,745,920,578.68 is: 3,789,461,828.31
Step by Step Solution
- Step 1: Write the proportion equation
4,888,936,847.16 : 6,746,895,633.90 = 2,745,920,578.68 : x - Step 2: Convert to fraction form
4,888,936,847.16/6,746,895,633.90 = 2,745,920,578.68/x - Step 3: Cross multiply
4,888,936,847.16x = 6,746,895,633.90 × 2,745,920,578.68 - Step 4: Simplify right side
4,888,936,847.16x = 18,526,439,563,332,251,648 - Step 5: Solve for x
x = 18,526,439,563,332,251,648/4,888,936,847.16 - Step 6: Final answer
x = 3,789,461,828.31
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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.