Finding the Fourth Proportional to 388,306,988.26, 582,462,659.82 and 129,521,498.08
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Solution
The fourth proportional to 388,306,988.26, 582,462,659.82 and 129,521,498.08 is: 194,282,973.41
Step by Step Solution
- Step 1: Write the proportion equation
388,306,988.26 : 582,462,659.82 = 129,521,498.08 : x - Step 2: Convert to fraction form
388,306,988.26/582,462,659.82 = 129,521,498.08/x - Step 3: Cross multiply
388,306,988.26x = 582,462,659.82 × 129,521,498.08 - Step 4: Simplify right side
388,306,988.26x = 75,441,436,275,547,824 - Step 5: Solve for x
x = 75,441,436,275,547,824/388,306,988.26 - Step 6: Final answer
x = 194,282,973.41
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