Finding the Fourth Proportional to 10,211,740,986.99, 15,286,194,920.43 and 6,662,840,791.44
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Solution
The fourth proportional to 10,211,740,986.99, 15,286,194,920.43 and 6,662,840,791.44 is: 9,973,762,866.83
Step by Step Solution
- Step 1: Write the proportion equation
10,211,740,986.99 : 15,286,194,920.43 = 6,662,840,791.44 : x - Step 2: Convert to fraction form
10,211,740,986.99/15,286,194,920.43 = 6,662,840,791.44/x - Step 3: Cross multiply
10,211,740,986.99x = 15,286,194,920.43 × 6,662,840,791.44 - Step 4: Simplify right side
10,211,740,986.99x = 101,849,483,061,743,927,296 - Step 5: Solve for x
x = 101,849,483,061,743,927,296/10,211,740,986.99 - Step 6: Final answer
x = 9,973,762,866.83
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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.