Finding the Fourth Proportional to 12,405,958,745, 18,609,100,206.94 and 4,124,845,792.68
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Solution
The fourth proportional to 12,405,958,745, 18,609,100,206.94 and 4,124,845,792.68 is: 6,187,322,581.99
Step by Step Solution
- Step 1: Write the proportion equation
12,405,958,745 : 18,609,100,206.94 = 4,124,845,792.68 : x - Step 2: Convert to fraction form
12,405,958,745/18,609,100,206.94 = 4,124,845,792.68/x - Step 3: Cross multiply
12,405,958,745x = 18,609,100,206.94 × 4,124,845,792.68 - Step 4: Simplify right side
12,405,958,745x = 76,759,668,694,156,967,936 - Step 5: Solve for x
x = 76,759,668,694,156,967,936/12,405,958,745 - Step 6: Final answer
x = 6,187,322,581.99
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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.