Finding the Fourth Proportional to 4,700,018,379,690, 7,053,247,922,929.20 and 1,640,370,981,451.20
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Solution
The fourth proportional to 4,700,018,379,690, 7,053,247,922,929.20 and 1,640,370,981,451.20 is: 2,461,680,419,751.28
Step by Step Solution
- Step 1: Write the proportion equation
4,700,018,379,690 : 7,053,247,922,929.20 = 1,640,370,981,451.20 : x - Step 2: Convert to fraction form
4,700,018,379,690/7,053,247,922,929.20 = 1,640,370,981,451.20/x - Step 3: Cross multiply
4,700,018,379,690x = 7,053,247,922,929.20 × 1,640,370,981,451.20 - Step 4: Simplify right side
4,700,018,379,690x = 11,569,943,217,754,009,388,449,792 - Step 5: Solve for x
x = 11,569,943,217,754,009,388,449,792/4,700,018,379,690 - Step 6: Final answer
x = 2,461,680,419,751.28
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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.