Finding the Fourth Proportional to 412,297,647.08, 568,936,930.66 and 242,724,969.96
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Solution
The fourth proportional to 412,297,647.08, 568,936,930.66 and 242,724,969.96 is: 334,940,546.91
Step by Step Solution
- Step 1: Write the proportion equation
412,297,647.08 : 568,936,930.66 = 242,724,969.96 : x - Step 2: Convert to fraction form
412,297,647.08/568,936,930.66 = 242,724,969.96/x - Step 3: Cross multiply
412,297,647.08x = 568,936,930.66 × 242,724,969.96 - Step 4: Simplify right side
412,297,647.08x = 138,095,199,403,583,104 - Step 5: Solve for x
x = 138,095,199,403,583,104/412,297,647.08 - Step 6: Final answer
x = 334,940,546.91
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.