Finding the Fourth Proportional to 428,725,494.68, 642,829,324.44 and 192,331,729.94
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Solution
The fourth proportional to 428,725,494.68, 642,829,324.44 and 192,331,729.94 is: 288,381,441.18
Step by Step Solution
- Step 1: Write the proportion equation
428,725,494.68 : 642,829,324.44 = 192,331,729.94 : x - Step 2: Convert to fraction form
428,725,494.68/642,829,324.44 = 192,331,729.94/x - Step 3: Cross multiply
428,725,494.68x = 642,829,324.44 × 192,331,729.94 - Step 4: Simplify right side
428,725,494.68x = 123,636,476,025,706,736 - Step 5: Solve for x
x = 123,636,476,025,706,736/428,725,494.68 - Step 6: Final answer
x = 288,381,441.18
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