Finding the Fourth Proportional to 4,720,505,660.48, 7,077,267,753.30 and 2,854,736,563.58
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Solution
The fourth proportional to 4,720,505,660.48, 7,077,267,753.30 and 2,854,736,563.58 is: 4,279,993,813.96
Step by Step Solution
- Step 1: Write the proportion equation
4,720,505,660.48 : 7,077,267,753.30 = 2,854,736,563.58 : x - Step 2: Convert to fraction form
4,720,505,660.48/7,077,267,753.30 = 2,854,736,563.58/x - Step 3: Cross multiply
4,720,505,660.48x = 7,077,267,753.30 × 2,854,736,563.58 - Step 4: Simplify right side
4,720,505,660.48x = 20,203,735,025,622,331,392 - Step 5: Solve for x
x = 20,203,735,025,622,331,392/4,720,505,660.48 - Step 6: Final answer
x = 4,279,993,813.96
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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.