Finding the Fourth Proportional to 3,678,087,672.80, 5,519,818,894.80 and 2,589,696,504.80
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Solution
The fourth proportional to 3,678,087,672.80, 5,519,818,894.80 and 2,589,696,504.80 is: 3,886,436,912.50
Step by Step Solution
- Step 1: Write the proportion equation
3,678,087,672.80 : 5,519,818,894.80 = 2,589,696,504.80 : x - Step 2: Convert to fraction form
3,678,087,672.80/5,519,818,894.80 = 2,589,696,504.80/x - Step 3: Cross multiply
3,678,087,672.80x = 5,519,818,894.80 × 2,589,696,504.80 - Step 4: Simplify right side
3,678,087,672.80x = 14,294,655,698,992,560,128 - Step 5: Solve for x
x = 14,294,655,698,992,560,128/3,678,087,672.80 - Step 6: Final answer
x = 3,886,436,912.50
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1.5x scale
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.