Finding the Fourth Proportional to 790,351,165.44, 1,185,419,125.44 and 208,036,648.80
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Solution
The fourth proportional to 790,351,165.44, 1,185,419,125.44 and 208,036,648.80 is: 312,026,644.69
Step by Step Solution
- Step 1: Write the proportion equation
790,351,165.44 : 1,185,419,125.44 = 208,036,648.80 : x - Step 2: Convert to fraction form
790,351,165.44/1,185,419,125.44 = 208,036,648.80/x - Step 3: Cross multiply
790,351,165.44x = 1,185,419,125.44 × 208,036,648.80 - Step 4: Simplify right side
790,351,165.44x = 246,610,622,279,964,448 - Step 5: Solve for x
x = 246,610,622,279,964,448/790,351,165.44 - Step 6: Final answer
x = 312,026,644.69
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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.