Finding the Fourth Proportional to 1,986,233,177.44, 2,741,086,825.20 and 1,106,166,878.56
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Solution
The fourth proportional to 1,986,233,177.44, 2,741,086,825.20 and 1,106,166,878.56 is: 1,526,557,652.81
Step by Step Solution
- Step 1: Write the proportion equation
1,986,233,177.44 : 2,741,086,825.20 = 1,106,166,878.56 : x - Step 2: Convert to fraction form
1,986,233,177.44/2,741,086,825.20 = 1,106,166,878.56/x - Step 3: Cross multiply
1,986,233,177.44x = 2,741,086,825.20 × 1,106,166,878.56 - Step 4: Simplify right side
1,986,233,177.44x = 3,032,099,457,293,424,128 - Step 5: Solve for x
x = 3,032,099,457,293,424,128/1,986,233,177.44 - Step 6: Final answer
x = 1,526,557,652.81
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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.