Finding the Fourth Proportional to 3,147,228,287.11, 4,345,135,113.27 and 2,003,439,758.99
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Solution
The fourth proportional to 3,147,228,287.11, 4,345,135,113.27 and 2,003,439,758.99 is: 2,765,994,599.04
Step by Step Solution
- Step 1: Write the proportion equation
3,147,228,287.11 : 4,345,135,113.27 = 2,003,439,758.99 : x - Step 2: Convert to fraction form
3,147,228,287.11/4,345,135,113.27 = 2,003,439,758.99/x - Step 3: Cross multiply
3,147,228,287.11x = 4,345,135,113.27 × 2,003,439,758.99 - Step 4: Simplify right side
3,147,228,287.11x = 8,705,216,444,094,522,368 - Step 5: Solve for x
x = 8,705,216,444,094,522,368/3,147,228,287.11 - Step 6: Final answer
x = 2,765,994,599.04
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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.