Finding the Fourth Proportional to 3,769,589,833.99, 5,202,599,515.95 and 2,863,855,318.29
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Solution
The fourth proportional to 3,769,589,833.99, 5,202,599,515.95 and 2,863,855,318.29 is: 3,952,549,998.50
Step by Step Solution
- Step 1: Write the proportion equation
3,769,589,833.99 : 5,202,599,515.95 = 2,863,855,318.29 : x - Step 2: Convert to fraction form
3,769,589,833.99/5,202,599,515.95 = 2,863,855,318.29/x - Step 3: Cross multiply
3,769,589,833.99x = 5,202,599,515.95 × 2,863,855,318.29 - Step 4: Simplify right side
3,769,589,833.99x = 14,899,492,292,677,734,400 - Step 5: Solve for x
x = 14,899,492,292,677,734,400/3,769,589,833.99 - Step 6: Final answer
x = 3,952,549,998.50
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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.