Finding the Fourth Proportional to 1,971,239,306.08, 2,956,866,540.68 and 477,268,361.41
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Solution
The fourth proportional to 1,971,239,306.08, 2,956,866,540.68 and 477,268,361.41 is: 715,904,377.73
Step by Step Solution
- Step 1: Write the proportion equation
1,971,239,306.08 : 2,956,866,540.68 = 477,268,361.41 : x - Step 2: Convert to fraction form
1,971,239,306.08/2,956,866,540.68 = 477,268,361.41/x - Step 3: Cross multiply
1,971,239,306.08x = 2,956,866,540.68 × 477,268,361.41 - Step 4: Simplify right side
1,971,239,306.08x = 1,411,218,848,776,012,544 - Step 5: Solve for x
x = 1,411,218,848,776,012,544/1,971,239,306.08 - Step 6: Final answer
x = 715,904,377.73
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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.