Finding the Fourth Proportional to 849,922,628.45, 1,273,330,215.84 and 616,174,431.84
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Solution
The fourth proportional to 849,922,628.45, 1,273,330,215.84 and 616,174,431.84 is: 923,135,231.41
Step by Step Solution
- Step 1: Write the proportion equation
849,922,628.45 : 1,273,330,215.84 = 616,174,431.84 : x - Step 2: Convert to fraction form
849,922,628.45/1,273,330,215.84 = 616,174,431.84/x - Step 3: Cross multiply
849,922,628.45x = 1,273,330,215.84 × 616,174,431.84 - Step 4: Simplify right side
849,922,628.45x = 784,593,522,289,916,544 - Step 5: Solve for x
x = 784,593,522,289,916,544/849,922,628.45 - Step 6: Final answer
x = 923,135,231.41
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1.5x scale
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.