Finding the Fourth Proportional to 1,959,638,739.46, 2,704,296,725.64 and 1,067,572,796.44
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Solution
The fourth proportional to 1,959,638,739.46, 2,704,296,725.64 and 1,067,572,796.44 is: 1,473,247,879.65
Step by Step Solution
- Step 1: Write the proportion equation
1,959,638,739.46 : 2,704,296,725.64 = 1,067,572,796.44 : x - Step 2: Convert to fraction form
1,959,638,739.46/2,704,296,725.64 = 1,067,572,796.44/x - Step 3: Cross multiply
1,959,638,739.46x = 2,704,296,725.64 × 1,067,572,796.44 - Step 4: Simplify right side
1,959,638,739.46x = 2,887,033,617,795,030,016 - Step 5: Solve for x
x = 2,887,033,617,795,030,016/1,959,638,739.46 - Step 6: Final answer
x = 1,473,247,879.65
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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.