Finding the Fourth Proportional to 4,836,710,974.74, 7,251,693,340.20 and 2,143,066,260.23
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Solution
The fourth proportional to 4,836,710,974.74, 7,251,693,340.20 and 2,143,066,260.23 is: 3,213,104,816.07
Step by Step Solution
- Step 1: Write the proportion equation
4,836,710,974.74 : 7,251,693,340.20 = 2,143,066,260.23 : x - Step 2: Convert to fraction form
4,836,710,974.74/7,251,693,340.20 = 2,143,066,260.23/x - Step 3: Cross multiply
4,836,710,974.74x = 7,251,693,340.20 × 2,143,066,260.23 - Step 4: Simplify right side
4,836,710,974.74x = 15,540,859,326,880,952,320 - Step 5: Solve for x
x = 15,540,859,326,880,952,320/4,836,710,974.74 - Step 6: Final answer
x = 3,213,104,816.07
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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.