Finding the Fourth Proportional to 3,268,909,182.40, 4,511,190,378.72 and 1,783,893,025.60
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Solution
The fourth proportional to 3,268,909,182.40, 4,511,190,378.72 and 1,783,893,025.60 is: 2,461,824,604.09
Step by Step Solution
- Step 1: Write the proportion equation
3,268,909,182.40 : 4,511,190,378.72 = 1,783,893,025.60 : x - Step 2: Convert to fraction form
3,268,909,182.40/4,511,190,378.72 = 1,783,893,025.60/x - Step 3: Cross multiply
3,268,909,182.40x = 4,511,190,378.72 × 1,783,893,025.60 - Step 4: Simplify right side
3,268,909,182.40x = 8,047,481,053,752,430,592 - Step 5: Solve for x
x = 8,047,481,053,752,430,592/3,268,909,182.40 - Step 6: Final answer
x = 2,461,824,604.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.