Finding the Fourth Proportional to 3,150,057,857.76, 4,347,125,443.08 and 1,740,394,270.80
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Solution
The fourth proportional to 3,150,057,857.76, 4,347,125,443.08 and 1,740,394,270.80 is: 2,401,769,287.17
Step by Step Solution
- Step 1: Write the proportion equation
3,150,057,857.76 : 4,347,125,443.08 = 1,740,394,270.80 : x - Step 2: Convert to fraction form
3,150,057,857.76/4,347,125,443.08 = 1,740,394,270.80/x - Step 3: Cross multiply
3,150,057,857.76x = 4,347,125,443.08 × 1,740,394,270.80 - Step 4: Simplify right side
3,150,057,857.76x = 7,565,712,215,585,343,488 - Step 5: Solve for x
x = 7,565,712,215,585,343,488/3,150,057,857.76 - Step 6: Final answer
x = 2,401,769,287.17
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1.5x scale
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.