Finding the Fourth Proportional to 3,085,572,700.36, 4,629,585,432.66 and 987,372,394.48
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Solution
The fourth proportional to 3,085,572,700.36, 4,629,585,432.66 and 987,372,394.48 is: 1,481,451,029.68
Step by Step Solution
- Step 1: Write the proportion equation
3,085,572,700.36 : 4,629,585,432.66 = 987,372,394.48 : x - Step 2: Convert to fraction form
3,085,572,700.36/4,629,585,432.66 = 987,372,394.48/x - Step 3: Cross multiply
3,085,572,700.36x = 4,629,585,432.66 × 987,372,394.48 - Step 4: Simplify right side
3,085,572,700.36x = 4,571,124,854,095,230,976 - Step 5: Solve for x
x = 4,571,124,854,095,230,976/3,085,572,700.36 - Step 6: Final answer
x = 1,481,451,029.68
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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.