Finding the Fourth Proportional to 428,110,836.86, 590,841,964.06 and 239,989,939.84
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Solution
The fourth proportional to 428,110,836.86, 590,841,964.06 and 239,989,939.84 is: 331,213,590.50
Step by Step Solution
- Step 1: Write the proportion equation
428,110,836.86 : 590,841,964.06 = 239,989,939.84 : x - Step 2: Convert to fraction form
428,110,836.86/590,841,964.06 = 239,989,939.84/x - Step 3: Cross multiply
428,110,836.86x = 590,841,964.06 × 239,989,939.84 - Step 4: Simplify right side
428,110,836.86x = 141,796,127,409,706,832 - Step 5: Solve for x
x = 141,796,127,409,706,832/428,110,836.86 - Step 6: Final answer
x = 331,213,590.50
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