Finding the Fourth Proportional to 3,634,521,576.66, 5,015,639,785.41 and 1,963,770,717.78
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Solution
The fourth proportional to 3,634,521,576.66, 5,015,639,785.41 and 1,963,770,717.78 is: 2,710,003,595.73
Step by Step Solution
- Step 1: Write the proportion equation
3,634,521,576.66 : 5,015,639,785.41 = 1,963,770,717.78 : x - Step 2: Convert to fraction form
3,634,521,576.66/5,015,639,785.41 = 1,963,770,717.78/x - Step 3: Cross multiply
3,634,521,576.66x = 5,015,639,785.41 × 1,963,770,717.78 - Step 4: Simplify right side
3,634,521,576.66x = 9,849,566,541,520,521,216 - Step 5: Solve for x
x = 9,849,566,541,520,521,216/3,634,521,576.66 - Step 6: Final answer
x = 2,710,003,595.73
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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.