Finding the Fourth Proportional to 548,441,057.44, 756,848,534.94 and 313,496,775.96
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Solution
The fourth proportional to 548,441,057.44, 756,848,534.94 and 313,496,775.96 is: 432,625,479.76
Step by Step Solution
- Step 1: Write the proportion equation
548,441,057.44 : 756,848,534.94 = 313,496,775.96 : x - Step 2: Convert to fraction form
548,441,057.44/756,848,534.94 = 313,496,775.96/x - Step 3: Cross multiply
548,441,057.44x = 756,848,534.94 × 313,496,775.96 - Step 4: Simplify right side
548,441,057.44x = 237,269,575,593,739,424 - Step 5: Solve for x
x = 237,269,575,593,739,424/548,441,057.44 - Step 6: Final answer
x = 432,625,479.76
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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.