Finding the Fourth Proportional to 1,862,874,244.80, 2,794,311,367.20 and 1,585,887,195.60
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Solution
The fourth proportional to 1,862,874,244.80, 2,794,311,367.20 and 1,585,887,195.60 is: 2,378,830,793.40
Step by Step Solution
- Step 1: Write the proportion equation
1,862,874,244.80 : 2,794,311,367.20 = 1,585,887,195.60 : x - Step 2: Convert to fraction form
1,862,874,244.80/2,794,311,367.20 = 1,585,887,195.60/x - Step 3: Cross multiply
1,862,874,244.80x = 2,794,311,367.20 × 1,585,887,195.60 - Step 4: Simplify right side
1,862,874,244.80x = 4,431,462,617,762,009,088 - Step 5: Solve for x
x = 4,431,462,617,762,009,088/1,862,874,244.80 - Step 6: Final answer
x = 2,378,830,793.40
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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.