Finding the Fourth Proportional to 451,724,352.08, 623,028,163.20 and 326,745,372.92
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Solution
The fourth proportional to 451,724,352.08, 623,028,163.20 and 326,745,372.92 is: 450,654,405.92
Step by Step Solution
- Step 1: Write the proportion equation
451,724,352.08 : 623,028,163.20 = 326,745,372.92 : x - Step 2: Convert to fraction form
451,724,352.08/623,028,163.20 = 326,745,372.92/x - Step 3: Cross multiply
451,724,352.08x = 623,028,163.20 × 326,745,372.92 - Step 4: Simplify right side
451,724,352.08x = 203,571,569,524,446,656 - Step 5: Solve for x
x = 203,571,569,524,446,656/451,724,352.08 - Step 6: Final answer
x = 450,654,405.92
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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.