Finding the Fourth Proportional to 13,127,291,136,701, 19,690,936,705,052 and 13,127,291,136,701
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Solution
The fourth proportional to 13,127,291,136,701, 19,690,936,705,052 and 13,127,291,136,701 is: 19,690,936,705,052
Step by Step Solution
- Step 1: Write the proportion equation
13,127,291,136,701 : 19,690,936,705,052 = 13,127,291,136,701 : x - Step 2: Convert to fraction form
13,127,291,136,701/19,690,936,705,052 = 13,127,291,136,701/x - Step 3: Cross multiply
13,127,291,136,701x = 19,690,936,705,052 × 13,127,291,136,701 - Step 4: Simplify right side
13,127,291,136,701x = 258,488,658,881,569,521,502,519,296 - Step 5: Solve for x
x = 258,488,658,881,569,521,502,519,296/13,127,291,136,701 - Step 6: Final answer
x = 19,690,936,705,052
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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.