Finding the Fourth Proportional to 4,161,038,515.36, 6,240,602,662.16 and 2,480,799,438.88
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Solution
The fourth proportional to 4,161,038,515.36, 6,240,602,662.16 and 2,480,799,438.88 is: 3,720,629,723.90
Step by Step Solution
- Step 1: Write the proportion equation
4,161,038,515.36 : 6,240,602,662.16 = 2,480,799,438.88 : x - Step 2: Convert to fraction form
4,161,038,515.36/6,240,602,662.16 = 2,480,799,438.88/x - Step 3: Cross multiply
4,161,038,515.36x = 6,240,602,662.16 × 2,480,799,438.88 - Step 4: Simplify right side
4,161,038,515.36x = 15,481,683,582,559,561,728 - Step 5: Solve for x
x = 15,481,683,582,559,561,728/4,161,038,515.36 - Step 6: Final answer
x = 3,720,629,723.90
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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.