Finding the Fourth Proportional to 759,126,112.99, 1,138,739,131.63 and 198,901,659.49
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Solution
The fourth proportional to 759,126,112.99, 1,138,739,131.63 and 198,901,659.49 is: 298,365,580.01
Step by Step Solution
- Step 1: Write the proportion equation
759,126,112.99 : 1,138,739,131.63 = 198,901,659.49 : x - Step 2: Convert to fraction form
759,126,112.99/1,138,739,131.63 = 198,901,659.49/x - Step 3: Cross multiply
759,126,112.99x = 1,138,739,131.63 × 198,901,659.49 - Step 4: Simplify right side
759,126,112.99x = 226,497,103,006,118,752 - Step 5: Solve for x
x = 226,497,103,006,118,752/759,126,112.99 - Step 6: Final answer
x = 298,365,580.01
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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.