Finding the Fourth Proportional to 2,850,440,809.98, 3,932,210,488.95 and 2,473,568,440.68
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Solution
The fourth proportional to 2,850,440,809.98, 3,932,210,488.95 and 2,473,568,440.68 is: 3,412,311,433.91
Step by Step Solution
- Step 1: Write the proportion equation
2,850,440,809.98 : 3,932,210,488.95 = 2,473,568,440.68 : x - Step 2: Convert to fraction form
2,850,440,809.98/3,932,210,488.95 = 2,473,568,440.68/x - Step 3: Cross multiply
2,850,440,809.98x = 3,932,210,488.95 × 2,473,568,440.68 - Step 4: Simplify right side
2,850,440,809.98x = 9,726,591,767,577,589,760 - Step 5: Solve for x
x = 9,726,591,767,577,589,760/2,850,440,809.98 - Step 6: Final answer
x = 3,412,311,433.91
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1.5x scale
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.