Finding the Fourth Proportional to 1,147,726,467.50, 1,584,351,240.23 and 771,601,194.14
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Solution
The fourth proportional to 1,147,726,467.50, 1,584,351,240.23 and 771,601,194.14 is: 1,065,138,204.54
Step by Step Solution
- Step 1: Write the proportion equation
1,147,726,467.50 : 1,584,351,240.23 = 771,601,194.14 : x - Step 2: Convert to fraction form
1,147,726,467.50/1,584,351,240.23 = 771,601,194.14/x - Step 3: Cross multiply
1,147,726,467.50x = 1,584,351,240.23 × 771,601,194.14 - Step 4: Simplify right side
1,147,726,467.50x = 1,222,487,308,892,665,344 - Step 5: Solve for x
x = 1,222,487,308,892,665,344/1,147,726,467.50 - Step 6: Final answer
x = 1,065,138,204.54
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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.