Finding the Fourth Proportional to 2,085,837,266.19, 3,128,270,512.40 and 776,356,013.37
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Solution
The fourth proportional to 2,085,837,266.19, 3,128,270,512.40 and 776,356,013.37 is: 1,164,353,357.33
Step by Step Solution
- Step 1: Write the proportion equation
2,085,837,266.19 : 3,128,270,512.40 = 776,356,013.37 : x - Step 2: Convert to fraction form
2,085,837,266.19/3,128,270,512.40 = 776,356,013.37/x - Step 3: Cross multiply
2,085,837,266.19x = 3,128,270,512.40 × 776,356,013.37 - Step 4: Simplify right side
2,085,837,266.19x = 2,428,651,623,732,836,864 - Step 5: Solve for x
x = 2,428,651,623,732,836,864/2,085,837,266.19 - Step 6: Final answer
x = 1,164,353,357.33
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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.