Finding the Fourth Proportional to 424,876,830.90, 637,315,246.35 and 252,264,794.10
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Solution
The fourth proportional to 424,876,830.90, 637,315,246.35 and 252,264,794.10 is: 378,397,191.15
Step by Step Solution
- Step 1: Write the proportion equation
424,876,830.90 : 637,315,246.35 = 252,264,794.10 : x - Step 2: Convert to fraction form
424,876,830.90/637,315,246.35 = 252,264,794.10/x - Step 3: Cross multiply
424,876,830.90x = 637,315,246.35 × 252,264,794.10 - Step 4: Simplify right side
424,876,830.90x = 160,772,199,397,273,536 - Step 5: Solve for x
x = 160,772,199,397,273,536/424,876,830.90 - Step 6: Final answer
x = 378,397,191.15
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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.