Finding the Fourth Proportional to 8,723,170,138,939.40, 13,085,021,775,228 and 2,992,721,334,198.50
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Solution
The fourth proportional to 8,723,170,138,939.40, 13,085,021,775,228 and 2,992,721,334,198.50 is: 4,489,173,454,312.33
Step by Step Solution
- Step 1: Write the proportion equation
8,723,170,138,939.40 : 13,085,021,775,228 = 2,992,721,334,198.50 : x - Step 2: Convert to fraction form
8,723,170,138,939.40/13,085,021,775,228 = 2,992,721,334,198.50/x - Step 3: Cross multiply
8,723,170,138,939.40x = 13,085,021,775,228 × 2,992,721,334,198.50 - Step 4: Simplify right side
8,723,170,138,939.40x = 39,159,823,825,176,768,194,543,616 - Step 5: Solve for x
x = 39,159,823,825,176,768,194,543,616/8,723,170,138,939.40 - Step 6: Final answer
x = 4,489,173,454,312.33
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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.