Finding the Fourth Proportional to 542,651,361.62, 813,982,079.76 and 154,474,177.88
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Solution
The fourth proportional to 542,651,361.62, 813,982,079.76 and 154,474,177.88 is: 231,712,700.77
Step by Step Solution
- Step 1: Write the proportion equation
542,651,361.62 : 813,982,079.76 = 154,474,177.88 : x - Step 2: Convert to fraction form
542,651,361.62/813,982,079.76 = 154,474,177.88/x - Step 3: Cross multiply
542,651,361.62x = 813,982,079.76 × 154,474,177.88 - Step 4: Simplify right side
542,651,361.62x = 125,739,212,579,978,576 - Step 5: Solve for x
x = 125,739,212,579,978,576/542,651,361.62 - Step 6: Final answer
x = 231,712,700.77
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.