Finding the Fourth Proportional to 4,143,425,816.58, 5,717,860,897.05 and 2,263,790,740.74
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Solution
The fourth proportional to 4,143,425,816.58, 5,717,860,897.05 and 2,263,790,740.74 is: 3,123,994,763.89
Step by Step Solution
- Step 1: Write the proportion equation
4,143,425,816.58 : 5,717,860,897.05 = 2,263,790,740.74 : x - Step 2: Convert to fraction form
4,143,425,816.58/5,717,860,897.05 = 2,263,790,740.74/x - Step 3: Cross multiply
4,143,425,816.58x = 5,717,860,897.05 × 2,263,790,740.74 - Step 4: Simplify right side
4,143,425,816.58x = 12,944,040,555,581,100,032 - Step 5: Solve for x
x = 12,944,040,555,581,100,032/4,143,425,816.58 - Step 6: Final answer
x = 3,123,994,763.89
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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.