Finding the Fourth Proportional to 2,412,780,458.49, 3,619,378,452.75 and 665,983,492.65
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Solution
The fourth proportional to 2,412,780,458.49, 3,619,378,452.75 and 665,983,492.65 is: 999,032,586.95
Step by Step Solution
- Step 1: Write the proportion equation
2,412,780,458.49 : 3,619,378,452.75 = 665,983,492.65 : x - Step 2: Convert to fraction form
2,412,780,458.49/3,619,378,452.75 = 665,983,492.65/x - Step 3: Cross multiply
2,412,780,458.49x = 3,619,378,452.75 × 665,983,492.65 - Step 4: Simplify right side
2,412,780,458.49x = 2,410,446,303,184,598,016 - Step 5: Solve for x
x = 2,410,446,303,184,598,016/2,412,780,458.49 - Step 6: Final answer
x = 999,032,586.95
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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.