Finding the Fourth Proportional to 3,955,180,859.70, 5,455,666,872.05 and 2,346,496,933.09
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Solution
The fourth proportional to 3,955,180,859.70, 5,455,666,872.05 and 2,346,496,933.09 is: 3,236,692,843.47
Step by Step Solution
- Step 1: Write the proportion equation
3,955,180,859.70 : 5,455,666,872.05 = 2,346,496,933.09 : x - Step 2: Convert to fraction form
3,955,180,859.70/5,455,666,872.05 = 2,346,496,933.09/x - Step 3: Cross multiply
3,955,180,859.70x = 5,455,666,872.05 × 2,346,496,933.09 - Step 4: Simplify right side
3,955,180,859.70x = 12,801,705,583,223,937,024 - Step 5: Solve for x
x = 12,801,705,583,223,937,024/3,955,180,859.70 - Step 6: Final answer
x = 3,236,692,843.47
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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.