Finding the Fourth Proportional to 2,190,354,028.46, 3,022,836,861.35 and 1,237,404,253.42
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Solution
The fourth proportional to 2,190,354,028.46, 3,022,836,861.35 and 1,237,404,253.42 is: 1,707,701,650.52
Step by Step Solution
- Step 1: Write the proportion equation
2,190,354,028.46 : 3,022,836,861.35 = 1,237,404,253.42 : x - Step 2: Convert to fraction form
2,190,354,028.46/3,022,836,861.35 = 1,237,404,253.42/x - Step 3: Cross multiply
2,190,354,028.46x = 3,022,836,861.35 × 1,237,404,253.42 - Step 4: Simplify right side
2,190,354,028.46x = 3,740,471,189,628,920,320 - Step 5: Solve for x
x = 3,740,471,189,628,920,320/2,190,354,028.46 - Step 6: Final answer
x = 1,707,701,650.52
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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.