Finding the Fourth Proportional to 4,143,425,841.84, 5,717,860,931.90 and 2,263,790,766
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Solution
The fourth proportional to 4,143,425,841.84, 5,717,860,931.90 and 2,263,790,766 is: 3,123,994,798.75
Step by Step Solution
- Step 1: Write the proportion equation
4,143,425,841.84 : 5,717,860,931.90 = 2,263,790,766 : x - Step 2: Convert to fraction form
4,143,425,841.84/5,717,860,931.90 = 2,263,790,766/x - Step 3: Cross multiply
4,143,425,841.84x = 5,717,860,931.90 × 2,263,790,766 - Step 4: Simplify right side
4,143,425,841.84x = 12,944,040,778,907,373,568 - Step 5: Solve for x
x = 12,944,040,778,907,373,568/4,143,425,841.84 - Step 6: Final answer
x = 3,123,994,798.75
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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.