Finding the Fourth Proportional to 6,953,783,954.28, 10,430,740,497.60 and 1,979,505,635.76
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Solution
The fourth proportional to 6,953,783,954.28, 10,430,740,497.60 and 1,979,505,635.76 is: 2,969,276,833.43
Step by Step Solution
- Step 1: Write the proportion equation
6,953,783,954.28 : 10,430,740,497.60 = 1,979,505,635.76 : x - Step 2: Convert to fraction form
6,953,783,954.28/10,430,740,497.60 = 1,979,505,635.76/x - Step 3: Cross multiply
6,953,783,954.28x = 10,430,740,497.60 × 1,979,505,635.76 - Step 4: Simplify right side
6,953,783,954.28x = 20,647,709,600,149,266,432 - Step 5: Solve for x
x = 20,647,709,600,149,266,432/6,953,783,954.28 - Step 6: Final answer
x = 2,969,276,833.43
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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.