Finding the Fourth Proportional to 3,964,143,211.18, 5,468,969,331.77 and 2,269,692,273.53
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Solution
The fourth proportional to 3,964,143,211.18, 5,468,969,331.77 and 2,269,692,273.53 is: 3,131,288,849.88
Step by Step Solution
- Step 1: Write the proportion equation
3,964,143,211.18 : 5,468,969,331.77 = 2,269,692,273.53 : x - Step 2: Convert to fraction form
3,964,143,211.18/5,468,969,331.77 = 2,269,692,273.53/x - Step 3: Cross multiply
3,964,143,211.18x = 5,468,969,331.77 × 2,269,692,273.53 - Step 4: Simplify right side
3,964,143,211.18x = 12,412,877,436,493,219,840 - Step 5: Solve for x
x = 12,412,877,436,493,219,840/3,964,143,211.18 - Step 6: Final answer
x = 3,131,288,849.88
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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.