Finding the Fourth Proportional to 438,859,534.78, 658,188,567.81 and 261,646,819.68
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Solution
The fourth proportional to 438,859,534.78, 658,188,567.81 and 261,646,819.68 is: 392,410,171.98
Step by Step Solution
- Step 1: Write the proportion equation
438,859,534.78 : 658,188,567.81 = 261,646,819.68 : x - Step 2: Convert to fraction form
438,859,534.78/658,188,567.81 = 261,646,819.68/x - Step 3: Cross multiply
438,859,534.78x = 658,188,567.81 × 261,646,819.68 - Step 4: Simplify right side
438,859,534.78x = 172,212,945,517,220,512 - Step 5: Solve for x
x = 172,212,945,517,220,512/438,859,534.78 - Step 6: Final answer
x = 392,410,171.98
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