Finding the Fourth Proportional to 404,352,197.70, 606,528,296.55 and 323,730,629.70
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Solution
The fourth proportional to 404,352,197.70, 606,528,296.55 and 323,730,629.70 is: 485,595,944.55
Step by Step Solution
- Step 1: Write the proportion equation
404,352,197.70 : 606,528,296.55 = 323,730,629.70 : x - Step 2: Convert to fraction form
404,352,197.70/606,528,296.55 = 323,730,629.70/x - Step 3: Cross multiply
404,352,197.70x = 606,528,296.55 × 323,730,629.70 - Step 4: Simplify right side
404,352,197.70x = 196,351,787,372,999,808 - Step 5: Solve for x
x = 196,351,787,372,999,808/404,352,197.70 - Step 6: Final answer
x = 485,595,944.55
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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.