Finding the Fourth Proportional to 538,171,556.20, 807,257,334.30 and 266,073,764.20
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Solution
The fourth proportional to 538,171,556.20, 807,257,334.30 and 266,073,764.20 is: 399,110,646.30
Step by Step Solution
- Step 1: Write the proportion equation
538,171,556.20 : 807,257,334.30 = 266,073,764.20 : x - Step 2: Convert to fraction form
538,171,556.20/807,257,334.30 = 266,073,764.20/x - Step 3: Cross multiply
538,171,556.20x = 807,257,334.30 × 266,073,764.20 - Step 4: Simplify right side
538,171,556.20x = 214,789,997,615,258,752 - Step 5: Solve for x
x = 214,789,997,615,258,752/538,171,556.20 - Step 6: Final answer
x = 399,110,646.30
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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.