Finding the Fourth Proportional to 5,175,504,324.40, 7,763,256,486.60 and 2,072,314,037.20
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Solution
The fourth proportional to 5,175,504,324.40, 7,763,256,486.60 and 2,072,314,037.20 is: 3,108,471,055.80
Step by Step Solution
- Step 1: Write the proportion equation
5,175,504,324.40 : 7,763,256,486.60 = 2,072,314,037.20 : x - Step 2: Convert to fraction form
5,175,504,324.40/7,763,256,486.60 = 2,072,314,037.20/x - Step 3: Cross multiply
5,175,504,324.40x = 7,763,256,486.60 × 2,072,314,037.20 - Step 4: Simplify right side
5,175,504,324.40x = 16,087,905,391,565,135,872 - Step 5: Solve for x
x = 16,087,905,391,565,135,872/5,175,504,324.40 - Step 6: Final answer
x = 3,108,471,055.80
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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.