Finding the Fourth Proportional to 4,664,877,949.18, 6,997,274,719.87 and 1,474,147,015.56
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Solution
The fourth proportional to 4,664,877,949.18, 6,997,274,719.87 and 1,474,147,015.56 is: 2,211,207,186.50
Step by Step Solution
- Step 1: Write the proportion equation
4,664,877,949.18 : 6,997,274,719.87 = 1,474,147,015.56 : x - Step 2: Convert to fraction form
4,664,877,949.18/6,997,274,719.87 = 1,474,147,015.56/x - Step 3: Cross multiply
4,664,877,949.18x = 6,997,274,719.87 × 1,474,147,015.56 - Step 4: Simplify right side
4,664,877,949.18x = 10,315,011,645,349,795,840 - Step 5: Solve for x
x = 10,315,011,645,349,795,840/4,664,877,949.18 - Step 6: Final answer
x = 2,211,207,186.50
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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.