Finding the Fourth Proportional to 8,385,642,957,427.20, 12,579,722,135,228 and 2,945,310,918,789.60
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Solution
The fourth proportional to 8,385,642,957,427.20, 12,579,722,135,228 and 2,945,310,918,789.60 is: 4,418,408,123,065.85
Step by Step Solution
- Step 1: Write the proportion equation
8,385,642,957,427.20 : 12,579,722,135,228 = 2,945,310,918,789.60 : x - Step 2: Convert to fraction form
8,385,642,957,427.20/12,579,722,135,228 = 2,945,310,918,789.60/x - Step 3: Cross multiply
8,385,642,957,427.20x = 12,579,722,135,228 × 2,945,310,918,789.60 - Step 4: Simplify right side
8,385,642,957,427.20x = 37,051,192,960,226,249,981,034,496 - Step 5: Solve for x
x = 37,051,192,960,226,249,981,034,496/8,385,642,957,427.20 - Step 6: Final answer
x = 4,418,408,123,065.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.