Finding the Fourth Proportional to 4,491,451,821.08, 6,736,990,452.85 and 1,175,192,969.68
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Solution
The fourth proportional to 4,491,451,821.08, 6,736,990,452.85 and 1,175,192,969.68 is: 1,762,740,452.84
Step by Step Solution
- Step 1: Write the proportion equation
4,491,451,821.08 : 6,736,990,452.85 = 1,175,192,969.68 : x - Step 2: Convert to fraction form
4,491,451,821.08/6,736,990,452.85 = 1,175,192,969.68/x - Step 3: Cross multiply
4,491,451,821.08x = 6,736,990,452.85 × 1,175,192,969.68 - Step 4: Simplify right side
4,491,451,821.08x = 7,917,263,816,970,818,560 - Step 5: Solve for x
x = 7,917,263,816,970,818,560/4,491,451,821.08 - Step 6: Final answer
x = 1,762,740,452.84
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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.