Finding the Fourth Proportional to 3,889,303,256.00, 5,367,238,755.64 and 2,129,170,664.00
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Solution
The fourth proportional to 3,889,303,256.00, 5,367,238,755.64 and 2,129,170,664.00 is: 2,938,255,659.95
Step by Step Solution
- Step 1: Write the proportion equation
3,889,303,256.00 : 5,367,238,755.64 = 2,129,170,664.00 : x - Step 2: Convert to fraction form
3,889,303,256.00/5,367,238,755.64 = 2,129,170,664.00/x - Step 3: Cross multiply
3,889,303,256.00x = 5,367,238,755.64 × 2,129,170,664.00 - Step 4: Simplify right side
3,889,303,256.00x = 11,427,767,305,200,648,192 - Step 5: Solve for x
x = 11,427,767,305,200,648,192/3,889,303,256.00 - Step 6: Final answer
x = 2,938,255,659.95
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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.