Finding the Fourth Proportional to 2,803,419,084.20, 4,205,128,626.30 and 1,167,431,109.80
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Solution
The fourth proportional to 2,803,419,084.20, 4,205,128,626.30 and 1,167,431,109.80 is: 1,751,146,664.70
Step by Step Solution
- Step 1: Write the proportion equation
2,803,419,084.20 : 4,205,128,626.30 = 1,167,431,109.80 : x - Step 2: Convert to fraction form
2,803,419,084.20/4,205,128,626.30 = 1,167,431,109.80/x - Step 3: Cross multiply
2,803,419,084.20x = 4,205,128,626.30 × 1,167,431,109.80 - Step 4: Simplify right side
2,803,419,084.20x = 4,909,197,979,053,158,400 - Step 5: Solve for x
x = 4,909,197,979,053,158,400/2,803,419,084.20 - Step 6: Final answer
x = 1,751,146,664.70
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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.