Finding the Fourth Proportional to 693,794,400.66, 1,040,752,772.60 and 195,809,351.49
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Solution
The fourth proportional to 693,794,400.66, 1,040,752,772.60 and 195,809,351.49 is: 293,731,291.68
Step by Step Solution
- Step 1: Write the proportion equation
693,794,400.66 : 1,040,752,772.60 = 195,809,351.49 : x - Step 2: Convert to fraction form
693,794,400.66/1,040,752,772.60 = 195,809,351.49/x - Step 3: Cross multiply
693,794,400.66x = 1,040,752,772.60 × 195,809,351.49 - Step 4: Simplify right side
693,794,400.66x = 203,789,125,463,246,400 - Step 5: Solve for x
x = 203,789,125,463,246,400/693,794,400.66 - Step 6: Final answer
x = 293,731,291.68
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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.