Finding the Fourth Proportional to 421,143,604.63, 631,772,894.33 and 175,442,780.09
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Solution
The fourth proportional to 421,143,604.63, 631,772,894.33 and 175,442,780.09 is: 263,188,118.61
Step by Step Solution
- Step 1: Write the proportion equation
421,143,604.63 : 631,772,894.33 = 175,442,780.09 : x - Step 2: Convert to fraction form
421,143,604.63/631,772,894.33 = 175,442,780.09/x - Step 3: Cross multiply
421,143,604.63x = 631,772,894.33 × 175,442,780.09 - Step 4: Simplify right side
421,143,604.63x = 110,839,992,968,121,136 - Step 5: Solve for x
x = 110,839,992,968,121,136/421,143,604.63 - Step 6: Final answer
x = 263,188,118.61
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