Finding the Fourth Proportional to 11,279,201,649, 16,919,364,447.79 and 4,292,554,083.99
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Solution
The fourth proportional to 11,279,201,649, 16,919,364,447.79 and 4,292,554,083.99 is: 6,439,044,997.95
Step by Step Solution
- Step 1: Write the proportion equation
11,279,201,649 : 16,919,364,447.79 = 4,292,554,083.99 : x - Step 2: Convert to fraction form
11,279,201,649/16,919,364,447.79 = 4,292,554,083.99/x - Step 3: Cross multiply
11,279,201,649x = 16,919,364,447.79 × 4,292,554,083.99 - Step 4: Simplify right side
11,279,201,649x = 72,627,286,958,876,172,288 - Step 5: Solve for x
x = 72,627,286,958,876,172,288/11,279,201,649 - Step 6: Final answer
x = 6,439,044,997.95
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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.