Finding the Fourth Proportional to 388,306,987.26, 582,462,658.32 and 129,521,497.08
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Solution
The fourth proportional to 388,306,987.26, 582,462,658.32 and 129,521,497.08 is: 194,282,971.91
Step by Step Solution
- Step 1: Write the proportion equation
388,306,987.26 : 582,462,658.32 = 129,521,497.08 : x - Step 2: Convert to fraction form
388,306,987.26/582,462,658.32 = 129,521,497.08/x - Step 3: Cross multiply
388,306,987.26x = 582,462,658.32 × 129,521,497.08 - Step 4: Simplify right side
388,306,987.26x = 75,441,435,498,802,928 - Step 5: Solve for x
x = 75,441,435,498,802,928/388,306,987.26 - Step 6: Final answer
x = 194,282,971.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.