Finding the Fourth Proportional to 9,198,153,761.99, 13,797,340,501.79 and 2,565,379,348.31
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Solution
The fourth proportional to 9,198,153,761.99, 13,797,340,501.79 and 2,565,379,348.31 is: 3,848,099,662.26
Step by Step Solution
- Step 1: Write the proportion equation
9,198,153,761.99 : 13,797,340,501.79 = 2,565,379,348.31 : x - Step 2: Convert to fraction form
9,198,153,761.99/13,797,340,501.79 = 2,565,379,348.31/x - Step 3: Cross multiply
9,198,153,761.99x = 13,797,340,501.79 × 2,565,379,348.31 - Step 4: Simplify right side
9,198,153,761.99x = 35,395,412,384,931,438,592 - Step 5: Solve for x
x = 35,395,412,384,931,438,592/9,198,153,761.99 - Step 6: Final answer
x = 3,848,099,662.26
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1.5x scale
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.