Finding the Fourth Proportional to 404,352,206.70, 606,528,310.05 and 323,730,638.70
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Solution
The fourth proportional to 404,352,206.70, 606,528,310.05 and 323,730,638.70 is: 485,595,958.05
Step by Step Solution
- Step 1: Write the proportion equation
404,352,206.70 : 606,528,310.05 = 323,730,638.70 : x - Step 2: Convert to fraction form
404,352,206.70/606,528,310.05 = 323,730,638.70/x - Step 3: Cross multiply
404,352,206.70x = 606,528,310.05 × 323,730,638.70 - Step 4: Simplify right side
404,352,206.70x = 196,351,797,202,118,112 - Step 5: Solve for x
x = 196,351,797,202,118,112/404,352,206.70 - Step 6: Final answer
x = 485,595,958.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.