Finding the Fourth Proportional to 2,112,476,720.40, 3,168,715,080.60 and 2,022,911,197.20
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Solution
The fourth proportional to 2,112,476,720.40, 3,168,715,080.60 and 2,022,911,197.20 is: 3,034,366,795.80
Step by Step Solution
- Step 1: Write the proportion equation
2,112,476,720.40 : 3,168,715,080.60 = 2,022,911,197.20 : x - Step 2: Convert to fraction form
2,112,476,720.40/3,168,715,080.60 = 2,022,911,197.20/x - Step 3: Cross multiply
2,112,476,720.40x = 3,168,715,080.60 × 2,022,911,197.20 - Step 4: Simplify right side
2,112,476,720.40x = 6,410,029,217,282,240,512 - Step 5: Solve for x
x = 6,410,029,217,282,240,512/2,112,476,720.40 - Step 6: Final answer
x = 3,034,366,795.80
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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.