Finding the Fourth Proportional to 275,792,480.20, 413,688,720.30 and 160,906,745.80
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Solution
The fourth proportional to 275,792,480.20, 413,688,720.30 and 160,906,745.80 is: 241,360,118.70
Step by Step Solution
- Step 1: Write the proportion equation
275,792,480.20 : 413,688,720.30 = 160,906,745.80 : x - Step 2: Convert to fraction form
275,792,480.20/413,688,720.30 = 160,906,745.80/x - Step 3: Cross multiply
275,792,480.20x = 413,688,720.30 × 160,906,745.80 - Step 4: Simplify right side
275,792,480.20x = 66,565,305,757,639,408 - Step 5: Solve for x
x = 66,565,305,757,639,408/275,792,480.20 - Step 6: Final answer
x = 241,360,118.70
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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.