Finding the Fourth Proportional to 3,899,633,190.10, 5,381,493,802.44 and 2,228,918,203.96
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Solution
The fourth proportional to 3,899,633,190.10, 5,381,493,802.44 and 2,228,918,203.96 is: 3,075,907,121.52
Step by Step Solution
- Step 1: Write the proportion equation
3,899,633,190.10 : 5,381,493,802.44 = 2,228,918,203.96 : x - Step 2: Convert to fraction form
3,899,633,190.10/5,381,493,802.44 = 2,228,918,203.96/x - Step 3: Cross multiply
3,899,633,190.10x = 5,381,493,802.44 × 2,228,918,203.96 - Step 4: Simplify right side
3,899,633,190.10x = 11,994,909,500,756,434,944 - Step 5: Solve for x
x = 11,994,909,500,756,434,944/3,899,633,190.10 - Step 6: Final answer
x = 3,075,907,121.52
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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.