Finding the Fourth Proportional to 2,839,884,907.68, 4,260,285,101.88 and 874,737,072.45
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Solution
The fourth proportional to 2,839,884,907.68, 4,260,285,101.88 and 874,737,072.45 is: 1,312,246,601.17
Step by Step Solution
- Step 1: Write the proportion equation
2,839,884,907.68 : 4,260,285,101.88 = 874,737,072.45 : x - Step 2: Convert to fraction form
2,839,884,907.68/4,260,285,101.88 = 874,737,072.45/x - Step 3: Cross multiply
2,839,884,907.68x = 4,260,285,101.88 × 874,737,072.45 - Step 4: Simplify right side
2,839,884,907.68x = 3,726,629,317,820,861,440 - Step 5: Solve for x
x = 3,726,629,317,820,861,440/2,839,884,907.68 - Step 6: Final answer
x = 1,312,246,601.17
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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.