Finding the Fourth Proportional to 5,102,040,256.40, 7,653,060,492.60 and 1,224,646,720.40
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Solution
The fourth proportional to 5,102,040,256.40, 7,653,060,492.60 and 1,224,646,720.40 is: 1,836,970,106.52
Step by Step Solution
- Step 1: Write the proportion equation
5,102,040,256.40 : 7,653,060,492.60 = 1,224,646,720.40 : x - Step 2: Convert to fraction form
5,102,040,256.40/7,653,060,492.60 = 1,224,646,720.40/x - Step 3: Cross multiply
5,102,040,256.40x = 7,653,060,492.60 × 1,224,646,720.40 - Step 4: Simplify right side
5,102,040,256.40x = 9,372,295,433,285,400,576 - Step 5: Solve for x
x = 9,372,295,433,285,400,576/5,102,040,256.40 - Step 6: Final answer
x = 1,836,970,106.52
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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.