Finding the Fourth Proportional to 3,779,143,762.60, 5,668,715,643.90 and 1,844,226,130.60
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Solution
The fourth proportional to 3,779,143,762.60, 5,668,715,643.90 and 1,844,226,130.60 is: 2,766,339,195.90
Step by Step Solution
- Step 1: Write the proportion equation
3,779,143,762.60 : 5,668,715,643.90 = 1,844,226,130.60 : x - Step 2: Convert to fraction form
3,779,143,762.60/5,668,715,643.90 = 1,844,226,130.60/x - Step 3: Cross multiply
3,779,143,762.60x = 5,668,715,643.90 × 1,844,226,130.60 - Step 4: Simplify right side
3,779,143,762.60x = 10,454,393,517,421,383,680 - Step 5: Solve for x
x = 10,454,393,517,421,383,680/3,779,143,762.60 - Step 6: Final answer
x = 2,766,339,195.90
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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.