Finding the Fourth Proportional to 682,914,586.58, 942,028,759.68 and 411,145,875.44
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Solution
The fourth proportional to 682,914,586.58, 942,028,759.68 and 411,145,875.44 is: 567,144,481.46
Step by Step Solution
- Step 1: Write the proportion equation
682,914,586.58 : 942,028,759.68 = 411,145,875.44 : x - Step 2: Convert to fraction form
682,914,586.58/942,028,759.68 = 411,145,875.44/x - Step 3: Cross multiply
682,914,586.58x = 942,028,759.68 × 411,145,875.44 - Step 4: Simplify right side
682,914,586.58x = 387,311,239,088,290,944 - Step 5: Solve for x
x = 387,311,239,088,290,944/682,914,586.58 - Step 6: Final answer
x = 567,144,481.46
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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.