Finding the Fourth Proportional to 2,982,014,080.35, 4,115,191,903.97 and 1,643,874,797.79
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Solution
The fourth proportional to 2,982,014,080.35, 4,115,191,903.97 and 1,643,874,797.79 is: 2,268,554,096.90
Step by Step Solution
- Step 1: Write the proportion equation
2,982,014,080.35 : 4,115,191,903.97 = 1,643,874,797.79 : x - Step 2: Convert to fraction form
2,982,014,080.35/4,115,191,903.97 = 1,643,874,797.79/x - Step 3: Cross multiply
2,982,014,080.35x = 4,115,191,903.97 × 1,643,874,797.79 - Step 4: Simplify right side
2,982,014,080.35x = 6,764,860,259,005,728,768 - Step 5: Solve for x
x = 6,764,860,259,005,728,768/2,982,014,080.35 - Step 6: Final answer
x = 2,268,554,096.90
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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.