Finding the Fourth Proportional to 1,232,265,711.75, 1,848,412,767.05 and 445,379,125.26
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Solution
The fourth proportional to 1,232,265,711.75, 1,848,412,767.05 and 445,379,125.26 is: 668,073,820.00
Step by Step Solution
- Step 1: Write the proportion equation
1,232,265,711.75 : 1,848,412,767.05 = 445,379,125.26 : x - Step 2: Convert to fraction form
1,232,265,711.75/1,848,412,767.05 = 445,379,125.26/x - Step 3: Cross multiply
1,232,265,711.75x = 1,848,412,767.05 × 445,379,125.26 - Step 4: Simplify right side
1,232,265,711.75x = 823,244,461,305,918,208 - Step 5: Solve for x
x = 823,244,461,305,918,208/1,232,265,711.75 - Step 6: Final answer
x = 668,073,820.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.