Finding the Fourth Proportional to 768,734,110.44, 1,060,847,789.97 and 416,302,036.14
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Solution
The fourth proportional to 768,734,110.44, 1,060,847,789.97 and 416,302,036.14 is: 574,493,949.21
Step by Step Solution
- Step 1: Write the proportion equation
768,734,110.44 : 1,060,847,789.97 = 416,302,036.14 : x - Step 2: Convert to fraction form
768,734,110.44/1,060,847,789.97 = 416,302,036.14/x - Step 3: Cross multiply
768,734,110.44x = 1,060,847,789.97 × 416,302,036.14 - Step 4: Simplify right side
768,734,110.44x = 441,633,094,999,130,048 - Step 5: Solve for x
x = 441,633,094,999,130,048/768,734,110.44 - Step 6: Final answer
x = 574,493,949.21
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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.