Finding the Fourth Proportional to 3,803,373,868.95, 5,247,869,968.94 and 2,195,801,006.91
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Solution
The fourth proportional to 3,803,373,868.95, 5,247,869,968.94 and 2,195,801,006.91 is: 3,029,751,625.52
Step by Step Solution
- Step 1: Write the proportion equation
3,803,373,868.95 : 5,247,869,968.94 = 2,195,801,006.91 : x - Step 2: Convert to fraction form
3,803,373,868.95/5,247,869,968.94 = 2,195,801,006.91/x - Step 3: Cross multiply
3,803,373,868.95x = 5,247,869,968.94 × 2,195,801,006.91 - Step 4: Simplify right side
3,803,373,868.95x = 11,523,278,161,900,281,856 - Step 5: Solve for x
x = 11,523,278,161,900,281,856/3,803,373,868.95 - Step 6: Final answer
x = 3,029,751,625.52
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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.