Finding the Fourth Proportional to 277,477,790.24, 382,942,865.20 and 153,757,275.68
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Solution
The fourth proportional to 277,477,790.24, 382,942,865.20 and 153,757,275.68 is: 212,198,070.50
Step by Step Solution
- Step 1: Write the proportion equation
277,477,790.24 : 382,942,865.20 = 153,757,275.68 : x - Step 2: Convert to fraction form
277,477,790.24/382,942,865.20 = 153,757,275.68/x - Step 3: Cross multiply
277,477,790.24x = 382,942,865.20 × 153,757,275.68 - Step 4: Simplify right side
277,477,790.24x = 58,880,251,694,245,480 - Step 5: Solve for x
x = 58,880,251,694,245,480/277,477,790.24 - Step 6: Final answer
x = 212,198,070.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.