Finding the Fourth Proportional to 404,352,207.70, 606,528,311.55 and 323,730,639.70
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Solution
The fourth proportional to 404,352,207.70, 606,528,311.55 and 323,730,639.70 is: 485,595,959.55
Step by Step Solution
- Step 1: Write the proportion equation
404,352,207.70 : 606,528,311.55 = 323,730,639.70 : x - Step 2: Convert to fraction form
404,352,207.70/606,528,311.55 = 323,730,639.70/x - Step 3: Cross multiply
404,352,207.70x = 606,528,311.55 × 323,730,639.70 - Step 4: Simplify right side
404,352,207.70x = 196,351,798,294,242,368 - Step 5: Solve for x
x = 196,351,798,294,242,368/404,352,207.70 - Step 6: Final answer
x = 485,595,959.55
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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.