Finding the Fourth Proportional to 8,121,189,195.44, 12,173,186,122.49 and 2,731,699,243.32
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Solution
The fourth proportional to 8,121,189,195.44, 12,173,186,122.49 and 2,731,699,243.32 is: 4,094,656,893.14
Step by Step Solution
- Step 1: Write the proportion equation
8,121,189,195.44 : 12,173,186,122.49 = 2,731,699,243.32 : x - Step 2: Convert to fraction form
8,121,189,195.44/12,173,186,122.49 = 2,731,699,243.32/x - Step 3: Cross multiply
8,121,189,195.44x = 12,173,186,122.49 × 2,731,699,243.32 - Step 4: Simplify right side
8,121,189,195.44x = 33,253,483,319,599,460,352 - Step 5: Solve for x
x = 33,253,483,319,599,460,352/8,121,189,195.44 - Step 6: Final answer
x = 4,094,656,893.14
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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.