Finding the Fourth Proportional to 3,910,141,452.97, 5,395,957,269.06 and 2,125,994,881.69
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Solution
The fourth proportional to 3,910,141,452.97, 5,395,957,269.06 and 2,125,994,881.69 is: 2,933,852,310.41
Step by Step Solution
- Step 1: Write the proportion equation
3,910,141,452.97 : 5,395,957,269.06 = 2,125,994,881.69 : x - Step 2: Convert to fraction form
3,910,141,452.97/5,395,957,269.06 = 2,125,994,881.69/x - Step 3: Cross multiply
3,910,141,452.97x = 5,395,957,269.06 × 2,125,994,881.69 - Step 4: Simplify right side
3,910,141,452.97x = 11,471,777,535,839,510,528 - Step 5: Solve for x
x = 11,471,777,535,839,510,528/3,910,141,452.97 - Step 6: Final answer
x = 2,933,852,310.41
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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.