Finding the Fourth Proportional to 8,449,901,840.80, 12,674,789,775.60 and 2,554,449,680.80
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Solution
The fourth proportional to 8,449,901,840.80, 12,674,789,775.60 and 2,554,449,680.80 is: 3,831,655,480.32
Step by Step Solution
- Step 1: Write the proportion equation
8,449,901,840.80 : 12,674,789,775.60 = 2,554,449,680.80 : x - Step 2: Convert to fraction form
8,449,901,840.80/12,674,789,775.60 = 2,554,449,680.80/x - Step 3: Cross multiply
8,449,901,840.80x = 12,674,789,775.60 × 2,554,449,680.80 - Step 4: Simplify right side
8,449,901,840.80x = 32,377,112,696,488,525,824 - Step 5: Solve for x
x = 32,377,112,696,488,525,824/8,449,901,840.80 - Step 6: Final answer
x = 3,831,655,480.32
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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.