Finding the Fourth Proportional to 348,794,585.80, 481,358,270.12 and 192,161,660.40
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Solution
The fourth proportional to 348,794,585.80, 481,358,270.12 and 192,161,660.40 is: 265,195,069.53
Step by Step Solution
- Step 1: Write the proportion equation
348,794,585.80 : 481,358,270.12 = 192,161,660.40 : x - Step 2: Convert to fraction form
348,794,585.80/481,358,270.12 = 192,161,660.40/x - Step 3: Cross multiply
348,794,585.80x = 481,358,270.12 × 192,161,660.40 - Step 4: Simplify right side
348,794,585.80x = 92,498,604,433,530,912 - Step 5: Solve for x
x = 92,498,604,433,530,912/348,794,585.80 - Step 6: Final answer
x = 265,195,069.53
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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.