Finding the Fourth Proportional to 18,218,317,729.80, 27,327,476,594.70 and 14,544,997,537.80
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Solution
The fourth proportional to 18,218,317,729.80, 27,327,476,594.70 and 14,544,997,537.80 is: 21,817,496,306.70
Step by Step Solution
- Step 1: Write the proportion equation
18,218,317,729.80 : 27,327,476,594.70 = 14,544,997,537.80 : x - Step 2: Convert to fraction form
18,218,317,729.80/27,327,476,594.70 = 14,544,997,537.80/x - Step 3: Cross multiply
18,218,317,729.80x = 27,327,476,594.70 × 14,544,997,537.80 - Step 4: Simplify right side
18,218,317,729.80x = 397,478,079,784,198,602,752 - Step 5: Solve for x
x = 397,478,079,784,198,602,752/18,218,317,729.80 - Step 6: Final answer
x = 21,817,496,306.70
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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.