Finding the Fourth Proportional to 277,477,784.70, 382,942,857.57 and 153,757,270.14
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Solution
The fourth proportional to 277,477,784.70, 382,942,857.57 and 153,757,270.14 is: 212,198,062.86
Step by Step Solution
- Step 1: Write the proportion equation
277,477,784.70 : 382,942,857.57 = 153,757,270.14 : x - Step 2: Convert to fraction form
277,477,784.70/382,942,857.57 = 153,757,270.14/x - Step 3: Cross multiply
277,477,784.70x = 382,942,857.57 × 153,757,270.14 - Step 4: Simplify right side
277,477,784.70x = 58,880,248,399,574,024 - Step 5: Solve for x
x = 58,880,248,399,574,024/277,477,784.70 - Step 6: Final answer
x = 212,198,062.86
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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.