Finding the Fourth Proportional to 774,507,709.48, 1,162,104,638.34 and 405,955,073.44
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Solution
The fourth proportional to 774,507,709.48, 1,162,104,638.34 and 405,955,073.44 is: 609,112,431.07
Step by Step Solution
- Step 1: Write the proportion equation
774,507,709.48 : 1,162,104,638.34 = 405,955,073.44 : x - Step 2: Convert to fraction form
774,507,709.48/1,162,104,638.34 = 405,955,073.44/x - Step 3: Cross multiply
774,507,709.48x = 1,162,104,638.34 × 405,955,073.44 - Step 4: Simplify right side
774,507,709.48x = 471,762,273,802,279,296 - Step 5: Solve for x
x = 471,762,273,802,279,296/774,507,709.48 - Step 6: Final answer
x = 609,112,431.07
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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.