Finding the Fourth Proportional to 384,414,538.30, 576,684,637.53 and 125,554,608.70
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Solution
The fourth proportional to 384,414,538.30, 576,684,637.53 and 125,554,608.70 is: 188,352,434.14
Step by Step Solution
- Step 1: Write the proportion equation
384,414,538.30 : 576,684,637.53 = 125,554,608.70 : x - Step 2: Convert to fraction form
384,414,538.30/576,684,637.53 = 125,554,608.70/x - Step 3: Cross multiply
384,414,538.30x = 576,684,637.53 × 125,554,608.70 - Step 4: Simplify right side
384,414,538.30x = 72,405,414,008,380,480 - Step 5: Solve for x
x = 72,405,414,008,380,480/384,414,538.30 - Step 6: Final answer
x = 188,352,434.14
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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.