Finding the Fourth Proportional to 783,336,396,631.20, 1,175,541,320,512.40 and 273,395,163,591.40
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Solution
The fourth proportional to 783,336,396,631.20, 1,175,541,320,512.40 and 273,395,163,591.40 is: 410,280,069,982.82
Step by Step Solution
- Step 1: Write the proportion equation
783,336,396,631.20 : 1,175,541,320,512.40 = 273,395,163,591.40 : x - Step 2: Convert to fraction form
783,336,396,631.20/1,175,541,320,512.40 = 273,395,163,591.40/x - Step 3: Cross multiply
783,336,396,631.20x = 1,175,541,320,512.40 × 273,395,163,591.40 - Step 4: Simplify right side
783,336,396,631.20x = 321,387,311,629,937,955,307,520 - Step 5: Solve for x
x = 321,387,311,629,937,955,307,520/783,336,396,631.20 - Step 6: Final answer
x = 410,280,069,982.82
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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.