Finding the Fourth Proportional to 4,800,174,745.36, 7,236,240,417.34 and 4,480,194,134.80
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Solution
The fourth proportional to 4,800,174,745.36, 7,236,240,417.34 and 4,480,194,134.80 is: 6,753,871,180.86
Step by Step Solution
- Step 1: Write the proportion equation
4,800,174,745.36 : 7,236,240,417.34 = 4,480,194,134.80 : x - Step 2: Convert to fraction form
4,800,174,745.36/7,236,240,417.34 = 4,480,194,134.80/x - Step 3: Cross multiply
4,800,174,745.36x = 7,236,240,417.34 × 4,480,194,134.80 - Step 4: Simplify right side
4,800,174,745.36x = 32,419,761,875,769,372,672 - Step 5: Solve for x
x = 32,419,761,875,769,372,672/4,800,174,745.36 - Step 6: Final answer
x = 6,753,871,180.86
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.