Finding the Fourth Proportional to 2,930,415,610.88, 4,396,303,315.74 and 965,198,165.52
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Solution
The fourth proportional to 2,930,415,610.88, 4,396,303,315.74 and 965,198,165.52 is: 1,448,021,188.42
Step by Step Solution
- Step 1: Write the proportion equation
2,930,415,610.88 : 4,396,303,315.74 = 965,198,165.52 : x - Step 2: Convert to fraction form
2,930,415,610.88/4,396,303,315.74 = 965,198,165.52/x - Step 3: Cross multiply
2,930,415,610.88x = 4,396,303,315.74 × 965,198,165.52 - Step 4: Simplify right side
2,930,415,610.88x = 4,243,303,895,421,741,056 - Step 5: Solve for x
x = 4,243,303,895,421,741,056/2,930,415,610.88 - Step 6: Final answer
x = 1,448,021,188.42
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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.