Finding the Fourth Proportional to 3,968,550,219.36, 5,476,555,841.84 and 2,184,365,526.24
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Solution
The fourth proportional to 3,968,550,219.36, 5,476,555,841.84 and 2,184,365,526.24 is: 3,014,400,504.52
Step by Step Solution
- Step 1: Write the proportion equation
3,968,550,219.36 : 5,476,555,841.84 = 2,184,365,526.24 : x - Step 2: Convert to fraction form
3,968,550,219.36/5,476,555,841.84 = 2,184,365,526.24/x - Step 3: Cross multiply
3,968,550,219.36x = 5,476,555,841.84 × 2,184,365,526.24 - Step 4: Simplify right side
3,968,550,219.36x = 11,962,799,783,443,576,832 - Step 5: Solve for x
x = 11,962,799,783,443,576,832/3,968,550,219.36 - Step 6: Final answer
x = 3,014,400,504.52
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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.