Finding the Fourth Proportional to 4,949,418,456.71, 6,830,326,919.73 and 2,691,490,040.70
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Solution
The fourth proportional to 4,949,418,456.71, 6,830,326,919.73 and 2,691,490,040.70 is: 3,714,326,650.69
Step by Step Solution
- Step 1: Write the proportion equation
4,949,418,456.71 : 6,830,326,919.73 = 2,691,490,040.70 : x - Step 2: Convert to fraction form
4,949,418,456.71/6,830,326,919.73 = 2,691,490,040.70/x - Step 3: Cross multiply
4,949,418,456.71x = 6,830,326,919.73 × 2,691,490,040.70 - Step 4: Simplify right side
4,949,418,456.71x = 18,383,756,879,178,401,792 - Step 5: Solve for x
x = 18,383,756,879,178,401,792/4,949,418,456.71 - Step 6: Final answer
x = 3,714,326,650.69
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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.