Finding the Fourth Proportional to 3,910,368,862.10, 5,865,553,293.15 and 3,481,814,839.70
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Solution
The fourth proportional to 3,910,368,862.10, 5,865,553,293.15 and 3,481,814,839.70 is: 5,222,722,259.55
Step by Step Solution
- Step 1: Write the proportion equation
3,910,368,862.10 : 5,865,553,293.15 = 3,481,814,839.70 : x - Step 2: Convert to fraction form
3,910,368,862.10/5,865,553,293.15 = 3,481,814,839.70/x - Step 3: Cross multiply
3,910,368,862.10x = 5,865,553,293.15 × 3,481,814,839.70 - Step 4: Simplify right side
3,910,368,862.10x = 20,422,770,499,140,870,144 - Step 5: Solve for x
x = 20,422,770,499,140,870,144/3,910,368,862.10 - Step 6: Final answer
x = 5,222,722,259.55
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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.