Finding the Fourth Proportional to 2,991,170,961.60, 4,486,756,442.40 and 2,481,563,025.60
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Solution
The fourth proportional to 2,991,170,961.60, 4,486,756,442.40 and 2,481,563,025.60 is: 3,722,344,538.40
Step by Step Solution
- Step 1: Write the proportion equation
2,991,170,961.60 : 4,486,756,442.40 = 2,481,563,025.60 : x - Step 2: Convert to fraction form
2,991,170,961.60/4,486,756,442.40 = 2,481,563,025.60/x - Step 3: Cross multiply
2,991,170,961.60x = 4,486,756,442.40 × 2,481,563,025.60 - Step 4: Simplify right side
2,991,170,961.60x = 11,134,168,892,332,435,456 - Step 5: Solve for x
x = 11,134,168,892,332,435,456/2,991,170,961.60 - Step 6: Final answer
x = 3,722,344,538.40
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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.