Finding the Fourth Proportional to 414,876,511.68, 622,382,304.88 and 193,768,958.24
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Solution
The fourth proportional to 414,876,511.68, 622,382,304.88 and 193,768,958.24 is: 290,684,980.83
Step by Step Solution
- Step 1: Write the proportion equation
414,876,511.68 : 622,382,304.88 = 193,768,958.24 : x - Step 2: Convert to fraction form
414,876,511.68/622,382,304.88 = 193,768,958.24/x - Step 3: Cross multiply
414,876,511.68x = 622,382,304.88 × 193,768,958.24 - Step 4: Simplify right side
414,876,511.68x = 120,598,370,843,607,680 - Step 5: Solve for x
x = 120,598,370,843,607,680/414,876,511.68 - Step 6: Final answer
x = 290,684,980.83
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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.