Finding the Fourth Proportional to 388,126,703.97, 580,421,735.24 and 289,827,440.01
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Solution
The fourth proportional to 388,126,703.97, 580,421,735.24 and 289,827,440.01 is: 433,420,694.66
Step by Step Solution
- Step 1: Write the proportion equation
388,126,703.97 : 580,421,735.24 = 289,827,440.01 : x - Step 2: Convert to fraction form
388,126,703.97/580,421,735.24 = 289,827,440.01/x - Step 3: Cross multiply
388,126,703.97x = 580,421,735.24 × 289,827,440.01 - Step 4: Simplify right side
388,126,703.97x = 168,222,145,649,322,080 - Step 5: Solve for x
x = 168,222,145,649,322,080/388,126,703.97 - Step 6: Final answer
x = 433,420,694.66
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