Finding the Fourth Proportional to 2,239,504,078.40, 3,359,256,117.60 and 1,259,952,027.20
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Solution
The fourth proportional to 2,239,504,078.40, 3,359,256,117.60 and 1,259,952,027.20 is: 1,889,928,040.80
Step by Step Solution
- Step 1: Write the proportion equation
2,239,504,078.40 : 3,359,256,117.60 = 1,259,952,027.20 : x - Step 2: Convert to fraction form
2,239,504,078.40/3,359,256,117.60 = 1,259,952,027.20/x - Step 3: Cross multiply
2,239,504,078.40x = 3,359,256,117.60 × 1,259,952,027.20 - Step 4: Simplify right side
2,239,504,078.40x = 4,232,501,555,254,121,472 - Step 5: Solve for x
x = 4,232,501,555,254,121,472/2,239,504,078.40 - Step 6: Final answer
x = 1,889,928,040.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.