Finding the Fourth Proportional to 3,756,115,648.23, 5,183,237,254.10 and 2,085,257,232.15
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Solution
The fourth proportional to 3,756,115,648.23, 5,183,237,254.10 and 2,085,257,232.15 is: 2,877,542,648.39
Step by Step Solution
- Step 1: Write the proportion equation
3,756,115,648.23 : 5,183,237,254.10 = 2,085,257,232.15 : x - Step 2: Convert to fraction form
3,756,115,648.23/5,183,237,254.10 = 2,085,257,232.15/x - Step 3: Cross multiply
3,756,115,648.23x = 5,183,237,254.10 × 2,085,257,232.15 - Step 4: Simplify right side
3,756,115,648.23x = 10,808,382,970,050,906,112 - Step 5: Solve for x
x = 10,808,382,970,050,906,112/3,756,115,648.23 - Step 6: Final answer
x = 2,877,542,648.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.