Finding the Fourth Proportional to 449,520,530,021.97, 674,320,434,199.80 and 126,826,167,415
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Solution
The fourth proportional to 449,520,530,021.97, 674,320,434,199.80 and 126,826,167,415 is: 190,250,434,779.92
Step by Step Solution
- Step 1: Write the proportion equation
449,520,530,021.97 : 674,320,434,199.80 = 126,826,167,415 : x - Step 2: Convert to fraction form
449,520,530,021.97/674,320,434,199.80 = 126,826,167,415/x - Step 3: Cross multiply
449,520,530,021.97x = 674,320,434,199.80 × 126,826,167,415 - Step 4: Simplify right side
449,520,530,021.97x = 85,521,476,279,179,338,055,680 - Step 5: Solve for x
x = 85,521,476,279,179,338,055,680/449,520,530,021.97 - Step 6: Final answer
x = 190,250,434,779.92
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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.