Finding the Fourth Proportional to 2,175,852,490.29, 3,002,647,714.07 and 1,210,229,879.49
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Solution
The fourth proportional to 2,175,852,490.29, 3,002,647,714.07 and 1,210,229,879.49 is: 1,670,101,257.95
Step by Step Solution
- Step 1: Write the proportion equation
2,175,852,490.29 : 3,002,647,714.07 = 1,210,229,879.49 : x - Step 2: Convert to fraction form
2,175,852,490.29/3,002,647,714.07 = 1,210,229,879.49/x - Step 3: Cross multiply
2,175,852,490.29x = 3,002,647,714.07 × 1,210,229,879.49 - Step 4: Simplify right side
2,175,852,490.29x = 3,633,893,981,143,809,024 - Step 5: Solve for x
x = 3,633,893,981,143,809,024/2,175,852,490.29 - Step 6: Final answer
x = 1,670,101,257.95
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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.