Finding the Fourth Proportional to 2,486,698,896.12, 3,433,193,179.42 and 1,582,964,750.60
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Solution
The fourth proportional to 2,486,698,896.12, 3,433,193,179.42 and 1,582,964,750.60 is: 2,185,477,217.81
Step by Step Solution
- Step 1: Write the proportion equation
2,486,698,896.12 : 3,433,193,179.42 = 1,582,964,750.60 : x - Step 2: Convert to fraction form
2,486,698,896.12/3,433,193,179.42 = 1,582,964,750.60/x - Step 3: Cross multiply
2,486,698,896.12x = 3,433,193,179.42 × 1,582,964,750.60 - Step 4: Simplify right side
2,486,698,896.12x = 5,434,623,785,022,200,832 - Step 5: Solve for x
x = 5,434,623,785,022,200,832/2,486,698,896.12 - Step 6: Final answer
x = 2,185,477,217.81
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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.