Finding the Fourth Proportional to 3,072,839,942.88, 4,609,266,999.84 and 1,771,248,817.44
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Solution
The fourth proportional to 3,072,839,942.88, 4,609,266,999.84 and 1,771,248,817.44 is: 2,656,877,310.40
Step by Step Solution
- Step 1: Write the proportion equation
3,072,839,942.88 : 4,609,266,999.84 = 1,771,248,817.44 : x - Step 2: Convert to fraction form
3,072,839,942.88/4,609,266,999.84 = 1,771,248,817.44/x - Step 3: Cross multiply
3,072,839,942.88x = 4,609,266,999.84 × 1,771,248,817.44 - Step 4: Simplify right side
3,072,839,942.88x = 8,164,158,722,731,816,960 - Step 5: Solve for x
x = 8,164,158,722,731,816,960/3,072,839,942.88 - Step 6: Final answer
x = 2,656,877,310.40
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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.