Finding the Fourth Proportional to 265,694,748.60, 398,542,122.90 and 235,461,660.60
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Solution
The fourth proportional to 265,694,748.60, 398,542,122.90 and 235,461,660.60 is: 353,192,490.90
Step by Step Solution
- Step 1: Write the proportion equation
265,694,748.60 : 398,542,122.90 = 235,461,660.60 : x - Step 2: Convert to fraction form
265,694,748.60/398,542,122.90 = 235,461,660.60/x - Step 3: Cross multiply
265,694,748.60x = 398,542,122.90 × 235,461,660.60 - Step 4: Simplify right side
265,694,748.60x = 93,841,390,077,083,280 - Step 5: Solve for x
x = 93,841,390,077,083,280/265,694,748.60 - Step 6: Final answer
x = 353,192,490.90
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1.5x scale
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.