Finding the Fourth Proportional to 358,175,009.36, 494,237,565.96 and 225,966,144.08
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Solution
The fourth proportional to 358,175,009.36, 494,237,565.96 and 225,966,144.08 is: 311,805,553.49
Step by Step Solution
- Step 1: Write the proportion equation
358,175,009.36 : 494,237,565.96 = 225,966,144.08 : x - Step 2: Convert to fraction form
358,175,009.36/494,237,565.96 = 225,966,144.08/x - Step 3: Cross multiply
358,175,009.36x = 494,237,565.96 × 225,966,144.08 - Step 4: Simplify right side
358,175,009.36x = 111,680,957,039,465,872 - Step 5: Solve for x
x = 111,680,957,039,465,872/358,175,009.36 - Step 6: Final answer
x = 311,805,553.49
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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.