Finding the Fourth Proportional to 538,081,610.40, 807,122,415.60 and 149,964,343.20
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Solution
The fourth proportional to 538,081,610.40, 807,122,415.60 and 149,964,343.20 is: 224,946,514.80
Step by Step Solution
- Step 1: Write the proportion equation
538,081,610.40 : 807,122,415.60 = 149,964,343.20 : x - Step 2: Convert to fraction form
538,081,610.40/807,122,415.60 = 149,964,343.20/x - Step 3: Cross multiply
538,081,610.40x = 807,122,415.60 × 149,964,343.20 - Step 4: Simplify right side
538,081,610.40x = 121,039,582,937,451,424 - Step 5: Solve for x
x = 121,039,582,937,451,424/538,081,610.40 - Step 6: Final answer
x = 224,946,514.80
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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.