Finding the Fourth Proportional to 3,670,928,531.24, 5,065,882,101.69 and 2,000,177,671.82
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Solution
The fourth proportional to 3,670,928,531.24, 5,065,882,101.69 and 2,000,177,671.82 is: 2,760,245,584.09
Step by Step Solution
- Step 1: Write the proportion equation
3,670,928,531.24 : 5,065,882,101.69 = 2,000,177,671.82 : x - Step 2: Convert to fraction form
3,670,928,531.24/5,065,882,101.69 = 2,000,177,671.82/x - Step 3: Cross multiply
3,670,928,531.24x = 5,065,882,101.69 × 2,000,177,671.82 - Step 4: Simplify right side
3,670,928,531.24x = 10,132,664,267,872,911,360 - Step 5: Solve for x
x = 10,132,664,267,872,911,360/3,670,928,531.24 - Step 6: Final answer
x = 2,760,245,584.09
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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.