Finding the Fourth Proportional to 3,899,633,184.24, 5,381,493,794.04 and 2,228,918,197.68
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Solution
The fourth proportional to 3,899,633,184.24, 5,381,493,794.04 and 2,228,918,197.68 is: 3,075,907,112.68
Step by Step Solution
- Step 1: Write the proportion equation
3,899,633,184.24 : 5,381,493,794.04 = 2,228,918,197.68 : x - Step 2: Convert to fraction form
3,899,633,184.24/5,381,493,794.04 = 2,228,918,197.68/x - Step 3: Cross multiply
3,899,633,184.24x = 5,381,493,794.04 × 2,228,918,197.68 - Step 4: Simplify right side
3,899,633,184.24x = 11,994,909,448,237,740,032 - Step 5: Solve for x
x = 11,994,909,448,237,740,032/3,899,633,184.24 - Step 6: Final answer
x = 3,075,907,112.68
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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.