Finding the Fourth Proportional to 4,743,521,147.76, 6,542,242,261.68 and 4,170,078,093.84
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Solution
The fourth proportional to 4,743,521,147.76, 6,542,242,261.68 and 4,170,078,093.84 is: 5,751,352,274.02
Step by Step Solution
- Step 1: Write the proportion equation
4,743,521,147.76 : 6,542,242,261.68 = 4,170,078,093.84 : x - Step 2: Convert to fraction form
4,743,521,147.76/6,542,242,261.68 = 4,170,078,093.84/x - Step 3: Cross multiply
4,743,521,147.76x = 6,542,242,261.68 × 4,170,078,093.84 - Step 4: Simplify right side
4,743,521,147.76x = 27,281,661,140,026,028,032 - Step 5: Solve for x
x = 27,281,661,140,026,028,032/4,743,521,147.76 - Step 6: Final answer
x = 5,751,352,274.02
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Double scale
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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.