Finding the Fourth Proportional to 320,237,672.87, 480,422,025.23 and 110,121,070.12
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Solution
The fourth proportional to 320,237,672.87, 480,422,025.23 and 110,121,070.12 is: 165,204,134.33
Step by Step Solution
- Step 1: Write the proportion equation
320,237,672.87 : 480,422,025.23 = 110,121,070.12 : x - Step 2: Convert to fraction form
320,237,672.87/480,422,025.23 = 110,121,070.12/x - Step 3: Cross multiply
320,237,672.87x = 480,422,025.23 × 110,121,070.12 - Step 4: Simplify right side
320,237,672.87x = 52,904,587,525,793,584 - Step 5: Solve for x
x = 52,904,587,525,793,584/320,237,672.87 - Step 6: Final answer
x = 165,204,134.33
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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.