Finding the Fourth Proportional to 620,630,120,214.09, 930,945,180,321.09 and 620,630,120,214.09
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Solution
The fourth proportional to 620,630,120,214.09, 930,945,180,321.09 and 620,630,120,214.09 is: 930,945,180,321.09
Step by Step Solution
- Step 1: Write the proportion equation
620,630,120,214.09 : 930,945,180,321.09 = 620,630,120,214.09 : x - Step 2: Convert to fraction form
620,630,120,214.09/930,945,180,321.09 = 620,630,120,214.09/x - Step 3: Cross multiply
620,630,120,214.09x = 930,945,180,321.09 × 620,630,120,214.09 - Step 4: Simplify right side
620,630,120,214.09x = 577,772,619,175,405,723,582,464 - Step 5: Solve for x
x = 577,772,619,175,405,723,582,464/620,630,120,214.09 - Step 6: Final answer
x = 930,945,180,321.09
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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.