Finding the Fourth Proportional to 3,162,264,853.84, 4,363,925,911.94 and 1,752,659,821.37
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Solution
The fourth proportional to 3,162,264,853.84, 4,363,925,911.94 and 1,752,659,821.37 is: 2,418,670,782.75
Step by Step Solution
- Step 1: Write the proportion equation
3,162,264,853.84 : 4,363,925,911.94 = 1,752,659,821.37 : x - Step 2: Convert to fraction form
3,162,264,853.84/4,363,925,911.94 = 1,752,659,821.37/x - Step 3: Cross multiply
3,162,264,853.84x = 4,363,925,911.94 × 1,752,659,821.37 - Step 4: Simplify right side
3,162,264,853.84x = 7,648,477,609,308,141,568 - Step 5: Solve for x
x = 7,648,477,609,308,141,568/3,162,264,853.84 - Step 6: Final answer
x = 2,418,670,782.75
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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.