Finding the Fourth Proportional to 1,222,795,707.24, 1,834,476,918.78 and 349,408,450.92
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Solution
The fourth proportional to 1,222,795,707.24, 1,834,476,918.78 and 349,408,450.92 is: 524,193,644.65
Step by Step Solution
- Step 1: Write the proportion equation
1,222,795,707.24 : 1,834,476,918.78 = 349,408,450.92 : x - Step 2: Convert to fraction form
1,222,795,707.24/1,834,476,918.78 = 349,408,450.92/x - Step 3: Cross multiply
1,222,795,707.24x = 1,834,476,918.78 × 349,408,450.92 - Step 4: Simplify right side
1,222,795,707.24x = 640,981,738,439,414,528 - Step 5: Solve for x
x = 640,981,738,439,414,528/1,222,795,707.24 - Step 6: Final answer
x = 524,193,644.65
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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.