Finding the Fourth Proportional to 1,772,940,496.80, 2,659,410,745.20 and 1,038,276,458.40
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Solution
The fourth proportional to 1,772,940,496.80, 2,659,410,745.20 and 1,038,276,458.40 is: 1,557,414,687.60
Step by Step Solution
- Step 1: Write the proportion equation
1,772,940,496.80 : 2,659,410,745.20 = 1,038,276,458.40 : x - Step 2: Convert to fraction form
1,772,940,496.80/2,659,410,745.20 = 1,038,276,458.40/x - Step 3: Cross multiply
1,772,940,496.80x = 2,659,410,745.20 × 1,038,276,458.40 - Step 4: Simplify right side
1,772,940,496.80x = 2,761,203,569,957,160,448 - Step 5: Solve for x
x = 2,761,203,569,957,160,448/1,772,940,496.80 - Step 6: Final answer
x = 1,557,414,687.60
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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.