Finding the Fourth Proportional to 2,618,963,373.13, 3,613,629,935.78 and 1,504,914,233.65
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Solution
The fourth proportional to 2,618,963,373.13, 3,613,629,935.78 and 1,504,914,233.65 is: 2,076,471,622.81
Step by Step Solution
- Step 1: Write the proportion equation
2,618,963,373.13 : 3,613,629,935.78 = 1,504,914,233.65 : x - Step 2: Convert to fraction form
2,618,963,373.13/3,613,629,935.78 = 1,504,914,233.65/x - Step 3: Cross multiply
2,618,963,373.13x = 3,613,629,935.78 × 1,504,914,233.65 - Step 4: Simplify right side
2,618,963,373.13x = 5,438,203,125,488,066,560 - Step 5: Solve for x
x = 5,438,203,125,488,066,560/2,618,963,373.13 - Step 6: Final answer
x = 2,076,471,622.81
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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.