Finding the Fourth Proportional to 75,367,145,654.49, 113,084,102,992.34 and 39,503,379,531.63
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Solution
The fourth proportional to 75,367,145,654.49, 113,084,102,992.34 and 39,503,379,531.63 is: 59,272,567,651.42
Step by Step Solution
- Step 1: Write the proportion equation
75,367,145,654.49 : 113,084,102,992.34 = 39,503,379,531.63 : x - Step 2: Convert to fraction form
75,367,145,654.49/113,084,102,992.34 = 39,503,379,531.63/x - Step 3: Cross multiply
75,367,145,654.49x = 113,084,102,992.34 × 39,503,379,531.63 - Step 4: Simplify right side
75,367,145,654.49x = 4,467,204,239,500,116,492,288 - Step 5: Solve for x
x = 4,467,204,239,500,116,492,288/75,367,145,654.49 - Step 6: Final answer
x = 59,272,567,651.42
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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.