Finding the Fourth Proportional to 3,849,940,689.87, 5,764,965,326.99 and 2,657,097,138.88
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Solution
The fourth proportional to 3,849,940,689.87, 5,764,965,326.99 and 2,657,097,138.88 is: 3,978,781,521.59
Step by Step Solution
- Step 1: Write the proportion equation
3,849,940,689.87 : 5,764,965,326.99 = 2,657,097,138.88 : x - Step 2: Convert to fraction form
3,849,940,689.87/5,764,965,326.99 = 2,657,097,138.88/x - Step 3: Cross multiply
3,849,940,689.87x = 5,764,965,326.99 × 2,657,097,138.88 - Step 4: Simplify right side
3,849,940,689.87x = 15,318,072,876,105,078,784 - Step 5: Solve for x
x = 15,318,072,876,105,078,784/3,849,940,689.87 - Step 6: Final answer
x = 3,978,781,521.59
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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.