Finding the Fourth Proportional to 8,424,606,857.40, 12,633,929,555.68 and 2,447,489,512.31
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Solution
The fourth proportional to 8,424,606,857.40, 12,633,929,555.68 and 2,447,489,512.31 is: 3,670,368,316.32
Step by Step Solution
- Step 1: Write the proportion equation
8,424,606,857.40 : 12,633,929,555.68 = 2,447,489,512.31 : x - Step 2: Convert to fraction form
8,424,606,857.40/12,633,929,555.68 = 2,447,489,512.31/x - Step 3: Cross multiply
8,424,606,857.40x = 12,633,929,555.68 × 2,447,489,512.31 - Step 4: Simplify right side
8,424,606,857.40x = 30,921,410,086,814,380,032 - Step 5: Solve for x
x = 30,921,410,086,814,380,032/8,424,606,857.40 - Step 6: Final answer
x = 3,670,368,316.32
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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.