Finding the Fourth Proportional to 874,145,311,249.38, 1,206,239,575,027.40 and 483,503,467,347.95
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Solution
The fourth proportional to 874,145,311,249.38, 1,206,239,575,027.40 and 483,503,467,347.95 is: 667,190,007,739.67
Step by Step Solution
- Step 1: Write the proportion equation
874,145,311,249.38 : 1,206,239,575,027.40 = 483,503,467,347.95 : x - Step 2: Convert to fraction form
874,145,311,249.38/1,206,239,575,027.40 = 483,503,467,347.95/x - Step 3: Cross multiply
874,145,311,249.38x = 1,206,239,575,027.40 × 483,503,467,347.95 - Step 4: Simplify right side
874,145,311,249.38x = 583,221,016,978,065,520,066,560 - Step 5: Solve for x
x = 583,221,016,978,065,520,066,560/874,145,311,249.38 - Step 6: Final answer
x = 667,190,007,739.67
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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.