Finding the Fourth Proportional to 5,461,420,775.60, 7,536,773,771.24 and 2,955,321,379.28
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Solution
The fourth proportional to 5,461,420,775.60, 7,536,773,771.24 and 2,955,321,379.28 is: 4,078,350,592.66
Step by Step Solution
- Step 1: Write the proportion equation
5,461,420,775.60 : 7,536,773,771.24 = 2,955,321,379.28 : x - Step 2: Convert to fraction form
5,461,420,775.60/7,536,773,771.24 = 2,955,321,379.28/x - Step 3: Cross multiply
5,461,420,775.60x = 7,536,773,771.24 × 2,955,321,379.28 - Step 4: Simplify right side
5,461,420,775.60x = 22,273,588,656,942,325,760 - Step 5: Solve for x
x = 22,273,588,656,942,325,760/5,461,420,775.60 - Step 6: Final answer
x = 4,078,350,592.66
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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.