Finding the Fourth Proportional to 2,144,516,261.09, 3,214,932,086.97 and 745,318,762.49
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Solution
The fourth proportional to 2,144,516,261.09, 3,214,932,086.97 and 745,318,762.49 is: 1,117,337,857.51
Step by Step Solution
- Step 1: Write the proportion equation
2,144,516,261.09 : 3,214,932,086.97 = 745,318,762.49 : x - Step 2: Convert to fraction form
2,144,516,261.09/3,214,932,086.97 = 745,318,762.49/x - Step 3: Cross multiply
2,144,516,261.09x = 3,214,932,086.97 × 745,318,762.49 - Step 4: Simplify right side
2,144,516,261.09x = 2,396,149,204,557,910,528 - Step 5: Solve for x
x = 2,396,149,204,557,910,528/2,144,516,261.09 - Step 6: Final answer
x = 1,117,337,857.51
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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.