Finding the Fourth Proportional to 548,311,054.53, 756,664,839.99 and 297,414,820.56
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Solution
The fourth proportional to 548,311,054.53, 756,664,839.99 and 297,414,820.56 is: 410,430,057.45
Step by Step Solution
- Step 1: Write the proportion equation
548,311,054.53 : 756,664,839.99 = 297,414,820.56 : x - Step 2: Convert to fraction form
548,311,054.53/756,664,839.99 = 297,414,820.56/x - Step 3: Cross multiply
548,311,054.53x = 756,664,839.99 × 297,414,820.56 - Step 4: Simplify right side
548,311,054.53x = 225,043,337,609,686,976 - Step 5: Solve for x
x = 225,043,337,609,686,976/548,311,054.53 - Step 6: Final answer
x = 410,430,057.45
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1.5x scale
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.