Finding the Fourth Proportional to 385,627,295.41, 532,328,589.41 and 260,349,193.04
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Solution
The fourth proportional to 385,627,295.41, 532,328,589.41 and 260,349,193.04 is: 359,391,880.02
Step by Step Solution
- Step 1: Write the proportion equation
385,627,295.41 : 532,328,589.41 = 260,349,193.04 : x - Step 2: Convert to fraction form
385,627,295.41/532,328,589.41 = 260,349,193.04/x - Step 3: Cross multiply
385,627,295.41x = 532,328,589.41 × 260,349,193.04 - Step 4: Simplify right side
385,627,295.41x = 138,591,318,685,014,992 - Step 5: Solve for x
x = 138,591,318,685,014,992/385,627,295.41 - Step 6: Final answer
x = 359,391,880.02
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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.