Finding the Fourth Proportional to 853,376,610,506.41, 1,279,553,722,976.50 and 271,614,511,926.60
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Solution
The fourth proportional to 853,376,610,506.41, 1,279,553,722,976.50 and 271,614,511,926.60 is: 407,259,064,370.05
Step by Step Solution
- Step 1: Write the proportion equation
853,376,610,506.41 : 1,279,553,722,976.50 = 271,614,511,926.60 : x - Step 2: Convert to fraction form
853,376,610,506.41/1,279,553,722,976.50 = 271,614,511,926.60/x - Step 3: Cross multiply
853,376,610,506.41x = 1,279,553,722,976.50 × 271,614,511,926.60 - Step 4: Simplify right side
853,376,610,506.41x = 347,545,359,950,126,002,470,912 - Step 5: Solve for x
x = 347,545,359,950,126,002,470,912/853,376,610,506.41 - Step 6: Final answer
x = 407,259,064,370.05
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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.