Finding the Fourth Proportional to 7,760,884,942.78, 11,641,419,794.14 and 2,164,481,531.11
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Solution
The fourth proportional to 7,760,884,942.78, 11,641,419,794.14 and 2,164,481,531.11 is: 3,246,748,061.09
Step by Step Solution
- Step 1: Write the proportion equation
7,760,884,942.78 : 11,641,419,794.14 = 2,164,481,531.11 : x - Step 2: Convert to fraction form
7,760,884,942.78/11,641,419,794.14 = 2,164,481,531.11/x - Step 3: Cross multiply
7,760,884,942.78x = 11,641,419,794.14 × 2,164,481,531.11 - Step 4: Simplify right side
7,760,884,942.78x = 25,197,638,140,314,406,912 - Step 5: Solve for x
x = 25,197,638,140,314,406,912/7,760,884,942.78 - Step 6: Final answer
x = 3,246,748,061.09
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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.