Finding the Fourth Proportional to 9,969,040,390.70, 13,757,113,863.05 and 5,452,879,939.29
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Solution
The fourth proportional to 9,969,040,390.70, 13,757,113,863.05 and 5,452,879,939.29 is: 7,524,885,772.99
Step by Step Solution
- Step 1: Write the proportion equation
9,969,040,390.70 : 13,757,113,863.05 = 5,452,879,939.29 : x - Step 2: Convert to fraction form
9,969,040,390.70/13,757,113,863.05 = 5,452,879,939.29/x - Step 3: Cross multiply
9,969,040,390.70x = 13,757,113,863.05 × 5,452,879,939.29 - Step 4: Simplify right side
9,969,040,390.70x = 75,015,890,206,326,439,936 - Step 5: Solve for x
x = 75,015,890,206,326,439,936/9,969,040,390.70 - Step 6: Final answer
x = 7,524,885,772.99
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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.