Finding the Fourth Proportional to 3,962,659,116.51, 5,468,473,099.12 and 2,178,542,924.33
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Solution
The fourth proportional to 3,962,659,116.51, 5,468,473,099.12 and 2,178,542,924.33 is: 3,006,391,169.85
Step by Step Solution
- Step 1: Write the proportion equation
3,962,659,116.51 : 5,468,473,099.12 = 2,178,542,924.33 : x - Step 2: Convert to fraction form
3,962,659,116.51/5,468,473,099.12 = 2,178,542,924.33/x - Step 3: Cross multiply
3,962,659,116.51x = 5,468,473,099.12 × 2,178,542,924.33 - Step 4: Simplify right side
3,962,659,116.51x = 11,913,303,376,994,324,480 - Step 5: Solve for x
x = 11,913,303,376,994,324,480/3,962,659,116.51 - Step 6: Final answer
x = 3,006,391,169.85
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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.