Finding the Fourth Proportional to 3,176,023,739.44, 4,379,871,027 and 2,102,627,913.52
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Solution
The fourth proportional to 3,176,023,739.44, 4,379,871,027 and 2,102,627,913.52 is: 2,899,612,797.17
Step by Step Solution
- Step 1: Write the proportion equation
3,176,023,739.44 : 4,379,871,027 = 2,102,627,913.52 : x - Step 2: Convert to fraction form
3,176,023,739.44/4,379,871,027 = 2,102,627,913.52/x - Step 3: Cross multiply
3,176,023,739.44x = 4,379,871,027 × 2,102,627,913.52 - Step 4: Simplify right side
3,176,023,739.44x = 9,209,239,078,987,709,440 - Step 5: Solve for x
x = 9,209,239,078,987,709,440/3,176,023,739.44 - Step 6: Final answer
x = 2,899,612,797.17
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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.