Finding the Fourth Proportional to 7,136,863,375.95, 9,848,294,044.77 and 4,126,309,233.75
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Solution
The fourth proportional to 7,136,863,375.95, 9,848,294,044.77 and 4,126,309,233.75 is: 5,693,972,899.99
Step by Step Solution
- Step 1: Write the proportion equation
7,136,863,375.95 : 9,848,294,044.77 = 4,126,309,233.75 : x - Step 2: Convert to fraction form
7,136,863,375.95/9,848,294,044.77 = 4,126,309,233.75/x - Step 3: Cross multiply
7,136,863,375.95x = 9,848,294,044.77 × 4,126,309,233.75 - Step 4: Simplify right side
7,136,863,375.95x = 40,637,106,653,619,585,024 - Step 5: Solve for x
x = 40,637,106,653,619,585,024/7,136,863,375.95 - Step 6: Final answer
x = 5,693,972,899.99
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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.