Finding the Fourth Proportional to 2,808,846,130.62, 3,876,207,589.08 and 1,555,863,698.91
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Solution
The fourth proportional to 2,808,846,130.62, 3,876,207,589.08 and 1,555,863,698.91 is: 2,147,091,865.07
Step by Step Solution
- Step 1: Write the proportion equation
2,808,846,130.62 : 3,876,207,589.08 = 1,555,863,698.91 : x - Step 2: Convert to fraction form
2,808,846,130.62/3,876,207,589.08 = 1,555,863,698.91/x - Step 3: Cross multiply
2,808,846,130.62x = 3,876,207,589.08 × 1,555,863,698.91 - Step 4: Simplify right side
2,808,846,130.62x = 6,030,850,677,289,022,464 - Step 5: Solve for x
x = 6,030,850,677,289,022,464/2,808,846,130.62 - Step 6: Final answer
x = 2,147,091,865.07
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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.