Finding the Fourth Proportional to 277,899,506.21, 416,976,496.05 and 120,380,684.42
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Solution
The fourth proportional to 277,899,506.21, 416,976,496.05 and 120,380,684.42 is: 180,626,143.12
Step by Step Solution
- Step 1: Write the proportion equation
277,899,506.21 : 416,976,496.05 = 120,380,684.42 : x - Step 2: Convert to fraction form
277,899,506.21/416,976,496.05 = 120,380,684.42/x - Step 3: Cross multiply
277,899,506.21x = 416,976,496.05 × 120,380,684.42 - Step 4: Simplify right side
277,899,506.21x = 50,195,915,979,467,552 - Step 5: Solve for x
x = 50,195,915,979,467,552/277,899,506.21 - Step 6: Final answer
x = 180,626,143.12
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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.