Finding the Fourth Proportional to 1,793,048,268.44, 2,474,415,204.59 and 989,275,725.36
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Solution
The fourth proportional to 1,793,048,268.44, 2,474,415,204.59 and 989,275,725.36 is: 1,365,205,242.63
Step by Step Solution
- Step 1: Write the proportion equation
1,793,048,268.44 : 2,474,415,204.59 = 989,275,725.36 : x - Step 2: Convert to fraction form
1,793,048,268.44/2,474,415,204.59 = 989,275,725.36/x - Step 3: Cross multiply
1,793,048,268.44x = 2,474,415,204.59 × 989,275,725.36 - Step 4: Simplify right side
1,793,048,268.44x = 2,447,878,896,364,959,232 - Step 5: Solve for x
x = 2,447,878,896,364,959,232/1,793,048,268.44 - Step 6: Final answer
x = 1,365,205,242.63
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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.