Finding the Fourth Proportional to 3,512,661,206.20, 5,268,991,809.30 and 927,732,182.20
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Solution
The fourth proportional to 3,512,661,206.20, 5,268,991,809.30 and 927,732,182.20 is: 1,391,598,273.30
Step by Step Solution
- Step 1: Write the proportion equation
3,512,661,206.20 : 5,268,991,809.30 = 927,732,182.20 : x - Step 2: Convert to fraction form
3,512,661,206.20/5,268,991,809.30 = 927,732,182.20/x - Step 3: Cross multiply
3,512,661,206.20x = 5,268,991,809.30 × 927,732,182.20 - Step 4: Simplify right side
3,512,661,206.20x = 4,888,213,269,235,815,424 - Step 5: Solve for x
x = 4,888,213,269,235,815,424/3,512,661,206.20 - Step 6: Final answer
x = 1,391,598,273.30
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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.