Finding the Fourth Proportional to 6,771,120,275.88, 9,343,299,839.94 and 3,759,963,578.28
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Solution
The fourth proportional to 6,771,120,275.88, 9,343,299,839.94 and 3,759,963,578.28 is: 5,188,279,880.99
Step by Step Solution
- Step 1: Write the proportion equation
6,771,120,275.88 : 9,343,299,839.94 = 3,759,963,578.28 : x - Step 2: Convert to fraction form
6,771,120,275.88/9,343,299,839.94 = 3,759,963,578.28/x - Step 3: Cross multiply
6,771,120,275.88x = 9,343,299,839.94 × 3,759,963,578.28 - Step 4: Simplify right side
6,771,120,275.88x = 35,130,467,099,123,757,056 - Step 5: Solve for x
x = 35,130,467,099,123,757,056/6,771,120,275.88 - Step 6: Final answer
x = 5,188,279,880.99
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1.5x scale
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.