Finding the Fourth Proportional to 2,696,112,028.80, 4,044,168,043.20 and 757,415,260.80
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Solution
The fourth proportional to 2,696,112,028.80, 4,044,168,043.20 and 757,415,260.80 is: 1,136,122,891.20
Step by Step Solution
- Step 1: Write the proportion equation
2,696,112,028.80 : 4,044,168,043.20 = 757,415,260.80 : x - Step 2: Convert to fraction form
2,696,112,028.80/4,044,168,043.20 = 757,415,260.80/x - Step 3: Cross multiply
2,696,112,028.80x = 4,044,168,043.20 × 757,415,260.80 - Step 4: Simplify right side
2,696,112,028.80x = 3,063,114,593,159,353,344 - Step 5: Solve for x
x = 3,063,114,593,159,353,344/2,696,112,028.80 - Step 6: Final answer
x = 1,136,122,891.20
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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.