Finding the Fourth Proportional to 4,230,910,857.80, 6,346,366,286.70 and 3,771,367,920.20
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Solution
The fourth proportional to 4,230,910,857.80, 6,346,366,286.70 and 3,771,367,920.20 is: 5,657,051,880.30
Step by Step Solution
- Step 1: Write the proportion equation
4,230,910,857.80 : 6,346,366,286.70 = 3,771,367,920.20 : x - Step 2: Convert to fraction form
4,230,910,857.80/6,346,366,286.70 = 3,771,367,920.20/x - Step 3: Cross multiply
4,230,910,857.80x = 6,346,366,286.70 × 3,771,367,920.20 - Step 4: Simplify right side
4,230,910,857.80x = 23,934,482,223,499,173,888 - Step 5: Solve for x
x = 23,934,482,223,499,173,888/4,230,910,857.80 - Step 6: Final answer
x = 5,657,051,880.30
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1.5x scale
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.