Finding the Fourth Proportional to 442,889,619.20, 664,330,929.60 and 115,364,499.20
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Solution
The fourth proportional to 442,889,619.20, 664,330,929.60 and 115,364,499.20 is: 173,045,837.32
Step by Step Solution
- Step 1: Write the proportion equation
442,889,619.20 : 664,330,929.60 = 115,364,499.20 : x - Step 2: Convert to fraction form
442,889,619.20/664,330,929.60 = 115,364,499.20/x - Step 3: Cross multiply
442,889,619.20x = 664,330,929.60 × 115,364,499.20 - Step 4: Simplify right side
442,889,619.20x = 76,640,204,996,374,464 - Step 5: Solve for x
x = 76,640,204,996,374,464/442,889,619.20 - Step 6: Final answer
x = 173,045,837.32
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