Finding the Fourth Proportional to 216,654,737,659.08, 324,699,401,141.46 and 121,036,894,195.07
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Solution
The fourth proportional to 216,654,737,659.08, 324,699,401,141.46 and 121,036,894,195.07 is: 181,397,404,394.65
Step by Step Solution
- Step 1: Write the proportion equation
216,654,737,659.08 : 324,699,401,141.46 = 121,036,894,195.07 : x - Step 2: Convert to fraction form
216,654,737,659.08/324,699,401,141.46 = 121,036,894,195.07/x - Step 3: Cross multiply
216,654,737,659.08x = 324,699,401,141.46 × 121,036,894,195.07 - Step 4: Simplify right side
216,654,737,659.08x = 39,300,607,061,161,488,154,624 - Step 5: Solve for x
x = 39,300,607,061,161,488,154,624/216,654,737,659.08 - Step 6: Final answer
x = 181,397,404,394.65
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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.