Finding the Fourth Proportional to 783,336,396,631.30, 1,175,541,320,512.80 and 273,395,163,591.60
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Solution
The fourth proportional to 783,336,396,631.30, 1,175,541,320,512.80 and 273,395,163,591.60 is: 410,280,069,983.21
Step by Step Solution
- Step 1: Write the proportion equation
783,336,396,631.30 : 1,175,541,320,512.80 = 273,395,163,591.60 : x - Step 2: Convert to fraction form
783,336,396,631.30/1,175,541,320,512.80 = 273,395,163,591.60/x - Step 3: Cross multiply
783,336,396,631.30x = 1,175,541,320,512.80 × 273,395,163,591.60 - Step 4: Simplify right side
783,336,396,631.30x = 321,387,311,630,282,492,215,296 - Step 5: Solve for x
x = 321,387,311,630,282,492,215,296/783,336,396,631.30 - Step 6: Final answer
x = 410,280,069,983.21
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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.