Finding the Fourth Proportional to 427,468,163.06, 641,616,877.66 and 206,295,151.75
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Solution
The fourth proportional to 427,468,163.06, 641,616,877.66 and 206,295,151.75 is: 309,642,828.59
Step by Step Solution
- Step 1: Write the proportion equation
427,468,163.06 : 641,616,877.66 = 206,295,151.75 : x - Step 2: Convert to fraction form
427,468,163.06/641,616,877.66 = 206,295,151.75/x - Step 3: Cross multiply
427,468,163.06x = 641,616,877.66 × 206,295,151.75 - Step 4: Simplify right side
427,468,163.06x = 132,362,451,140,111,120 - Step 5: Solve for x
x = 132,362,451,140,111,120/427,468,163.06 - Step 6: Final answer
x = 309,642,828.59
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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.