Finding the Fourth Proportional to 319,506,874,874.20, 440,933,347,307.36 and 176,936,134,922.20
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Solution
The fourth proportional to 319,506,874,874.20, 440,933,347,307.36 and 176,936,134,922.20 is: 244,179,541,556.31
Step by Step Solution
- Step 1: Write the proportion equation
319,506,874,874.20 : 440,933,347,307.36 = 176,936,134,922.20 : x - Step 2: Convert to fraction form
319,506,874,874.20/440,933,347,307.36 = 176,936,134,922.20/x - Step 3: Cross multiply
319,506,874,874.20x = 440,933,347,307.36 × 176,936,134,922.20 - Step 4: Simplify right side
319,506,874,874.20x = 78,017,042,230,872,327,061,504 - Step 5: Solve for x
x = 78,017,042,230,872,327,061,504/319,506,874,874.20 - Step 6: Final answer
x = 244,179,541,556.31
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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.