Finding the Fourth Proportional to 77,366,556,683.07, 116,102,844,958.79 and 27,001,990,457.18
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Solution
The fourth proportional to 77,366,556,683.07, 116,102,844,958.79 and 27,001,990,457.18 is: 40,521,486,880.58
Step by Step Solution
- Step 1: Write the proportion equation
77,366,556,683.07 : 116,102,844,958.79 = 27,001,990,457.18 : x - Step 2: Convert to fraction form
77,366,556,683.07/116,102,844,958.79 = 27,001,990,457.18/x - Step 3: Cross multiply
77,366,556,683.07x = 116,102,844,958.79 × 27,001,990,457.18 - Step 4: Simplify right side
77,366,556,683.07x = 3,135,007,911,628,580,585,472 - Step 5: Solve for x
x = 3,135,007,911,628,580,585,472/77,366,556,683.07 - Step 6: Final answer
x = 40,521,486,880.58
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1.5x scale
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.