Finding the Fourth Proportional to 21,354,192,067.80, 32,031,288,101.70 and 14,370,348,739.80
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Solution
The fourth proportional to 21,354,192,067.80, 32,031,288,101.70 and 14,370,348,739.80 is: 21,555,523,109.70
Step by Step Solution
- Step 1: Write the proportion equation
21,354,192,067.80 : 32,031,288,101.70 = 14,370,348,739.80 : x - Step 2: Convert to fraction form
21,354,192,067.80/32,031,288,101.70 = 14,370,348,739.80/x - Step 3: Cross multiply
21,354,192,067.80x = 32,031,288,101.70 × 14,370,348,739.80 - Step 4: Simplify right side
21,354,192,067.80x = 460,300,780,606,435,295,232 - Step 5: Solve for x
x = 460,300,780,606,435,295,232/21,354,192,067.80 - Step 6: Final answer
x = 21,555,523,109.70
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1.5x scale
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.