Finding the Fourth Proportional to 587,546,025.68, 811,976,855.27 and 481,532,230.09
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Solution
The fourth proportional to 587,546,025.68, 811,976,855.27 and 481,532,230.09 is: 665,467,910.26
Step by Step Solution
- Step 1: Write the proportion equation
587,546,025.68 : 811,976,855.27 = 481,532,230.09 : x - Step 2: Convert to fraction form
587,546,025.68/811,976,855.27 = 481,532,230.09/x - Step 3: Cross multiply
587,546,025.68x = 811,976,855.27 × 481,532,230.09 - Step 4: Simplify right side
587,546,025.68x = 390,993,025,893,160,704 - Step 5: Solve for x
x = 390,993,025,893,160,704/587,546,025.68 - Step 6: Final answer
x = 665,467,910.26
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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.