Finding the Fourth Proportional to 9,740,673,757,246.80, 13,442,138,595,172 and 5,351,288,541,977.20
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Solution
The fourth proportional to 9,740,673,757,246.80, 13,442,138,595,172 and 5,351,288,541,977.20 is: 7,384,783,028,021.79
Step by Step Solution
- Step 1: Write the proportion equation
9,740,673,757,246.80 : 13,442,138,595,172 = 5,351,288,541,977.20 : x - Step 2: Convert to fraction form
9,740,673,757,246.80/13,442,138,595,172 = 5,351,288,541,977.20/x - Step 3: Cross multiply
9,740,673,757,246.80x = 13,442,138,595,172 × 5,351,288,541,977.20 - Step 4: Simplify right side
9,740,673,757,246.80x = 71,932,762,244,013,419,854,299,136 - Step 5: Solve for x
x = 71,932,762,244,013,419,854,299,136/9,740,673,757,246.80 - Step 6: Final answer
x = 7,384,783,028,021.79
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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.