Finding the Fourth Proportional to 3,968,550,209.26, 5,476,555,828.02 and 2,184,365,516.14
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Solution
The fourth proportional to 3,968,550,209.26, 5,476,555,828.02 and 2,184,365,516.14 is: 3,014,400,490.64
Step by Step Solution
- Step 1: Write the proportion equation
3,968,550,209.26 : 5,476,555,828.02 = 2,184,365,516.14 : x - Step 2: Convert to fraction form
3,968,550,209.26/5,476,555,828.02 = 2,184,365,516.14/x - Step 3: Cross multiply
3,968,550,209.26x = 5,476,555,828.02 × 2,184,365,516.14 - Step 4: Simplify right side
3,968,550,209.26x = 11,962,799,697,942,431,744 - Step 5: Solve for x
x = 11,962,799,697,942,431,744/3,968,550,209.26 - Step 6: Final answer
x = 3,014,400,490.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.