Finding the Fourth Proportional to 1,144,085,004.99, 1,716,143,450.72 and 326,197,305.99
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Solution
The fourth proportional to 1,144,085,004.99, 1,716,143,450.72 and 326,197,305.99 is: 489,300,504.66
Step by Step Solution
- Step 1: Write the proportion equation
1,144,085,004.99 : 1,716,143,450.72 = 326,197,305.99 : x - Step 2: Convert to fraction form
1,144,085,004.99/1,716,143,450.72 = 326,197,305.99/x - Step 3: Cross multiply
1,144,085,004.99x = 1,716,143,450.72 × 326,197,305.99 - Step 4: Simplify right side
1,144,085,004.99x = 559,801,370,315,615,296 - Step 5: Solve for x
x = 559,801,370,315,615,296/1,144,085,004.99 - Step 6: Final answer
x = 489,300,504.66
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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.