Finding the Fourth Proportional to 378,859,491.84, 568,059,114.24 and 148,552,650.24
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Solution
The fourth proportional to 378,859,491.84, 568,059,114.24 and 148,552,650.24 is: 222,738,742.81
Step by Step Solution
- Step 1: Write the proportion equation
378,859,491.84 : 568,059,114.24 = 148,552,650.24 : x - Step 2: Convert to fraction form
378,859,491.84/568,059,114.24 = 148,552,650.24/x - Step 3: Cross multiply
378,859,491.84x = 568,059,114.24 × 148,552,650.24 - Step 4: Simplify right side
378,859,491.84x = 84,386,686,913,338,928 - Step 5: Solve for x
x = 84,386,686,913,338,928/378,859,491.84 - Step 6: Final answer
x = 222,738,742.81
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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.