Finding the Fourth Proportional to 451,724,351.08, 623,028,161.82 and 326,745,371.92
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Solution
The fourth proportional to 451,724,351.08, 623,028,161.82 and 326,745,371.92 is: 450,654,404.54
Step by Step Solution
- Step 1: Write the proportion equation
451,724,351.08 : 623,028,161.82 = 326,745,371.92 : x - Step 2: Convert to fraction form
451,724,351.08/623,028,161.82 = 326,745,371.92/x - Step 3: Cross multiply
451,724,351.08x = 623,028,161.82 × 326,745,371.92 - Step 4: Simplify right side
451,724,351.08x = 203,571,568,450,509,856 - Step 5: Solve for x
x = 203,571,568,450,509,856/451,724,351.08 - Step 6: Final answer
x = 450,654,404.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.