Finding the Fourth Proportional to 404,191,237.80, 606,286,856.70 and 378,682,069.80
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Solution
The fourth proportional to 404,191,237.80, 606,286,856.70 and 378,682,069.80 is: 568,023,104.70
Step by Step Solution
- Step 1: Write the proportion equation
404,191,237.80 : 606,286,856.70 = 378,682,069.80 : x - Step 2: Convert to fraction form
404,191,237.80/606,286,856.70 = 378,682,069.80/x - Step 3: Cross multiply
404,191,237.80x = 606,286,856.70 × 378,682,069.80 - Step 4: Simplify right side
404,191,237.80x = 229,589,961,787,692,032 - Step 5: Solve for x
x = 229,589,961,787,692,032/404,191,237.80 - Step 6: Final answer
x = 568,023,104.70
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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.