Finding the Fourth Proportional to 5,315,517,124.80, 7,973,275,687.20 and 2,554,480,363.20
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Solution
The fourth proportional to 5,315,517,124.80, 7,973,275,687.20 and 2,554,480,363.20 is: 3,831,720,544.80
Step by Step Solution
- Step 1: Write the proportion equation
5,315,517,124.80 : 7,973,275,687.20 = 2,554,480,363.20 : x - Step 2: Convert to fraction form
5,315,517,124.80/7,973,275,687.20 = 2,554,480,363.20/x - Step 3: Cross multiply
5,315,517,124.80x = 7,973,275,687.20 × 2,554,480,363.20 - Step 4: Simplify right side
5,315,517,124.80x = 20,367,576,173,332,381,696 - Step 5: Solve for x
x = 20,367,576,173,332,381,696/5,315,517,124.80 - Step 6: Final answer
x = 3,831,720,544.80
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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.