Finding the Fourth Proportional to 2,255,351,844.20, 3,382,019,996.70 and 874,707,492.20
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Solution
The fourth proportional to 2,255,351,844.20, 3,382,019,996.70 and 874,707,492.20 is: 1,311,670,388.59
Step by Step Solution
- Step 1: Write the proportion equation
2,255,351,844.20 : 3,382,019,996.70 = 874,707,492.20 : x - Step 2: Convert to fraction form
2,255,351,844.20/3,382,019,996.70 = 874,707,492.20/x - Step 3: Cross multiply
2,255,351,844.20x = 3,382,019,996.70 × 874,707,492.20 - Step 4: Simplify right side
2,255,351,844.20x = 2,958,278,229,883,709,440 - Step 5: Solve for x
x = 2,958,278,229,883,709,440/2,255,351,844.20 - Step 6: Final answer
x = 1,311,670,388.59
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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.