Finding the Fourth Proportional to 453,190,125.22, 625,366,599.60 and 254,912,145.32
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Solution
The fourth proportional to 453,190,125.22, 625,366,599.60 and 254,912,145.32 is: 351,758,638.70
Step by Step Solution
- Step 1: Write the proportion equation
453,190,125.22 : 625,366,599.60 = 254,912,145.32 : x - Step 2: Convert to fraction form
453,190,125.22/625,366,599.60 = 254,912,145.32/x - Step 3: Cross multiply
453,190,125.22x = 625,366,599.60 × 254,912,145.32 - Step 4: Simplify right side
453,190,125.22x = 159,413,541,518,036,448 - Step 5: Solve for x
x = 159,413,541,518,036,448/453,190,125.22 - Step 6: Final answer
x = 351,758,638.70
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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.