Finding the Fourth Proportional to 201,204,602.70, 301,806,904.05 and 193,551,852.30
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Solution
The fourth proportional to 201,204,602.70, 301,806,904.05 and 193,551,852.30 is: 290,327,778.45
Step by Step Solution
- Step 1: Write the proportion equation
201,204,602.70 : 301,806,904.05 = 193,551,852.30 : x - Step 2: Convert to fraction form
201,204,602.70/301,806,904.05 = 193,551,852.30/x - Step 3: Cross multiply
201,204,602.70x = 301,806,904.05 × 193,551,852.30 - Step 4: Simplify right side
201,204,602.70x = 58,415,285,315,805,880 - Step 5: Solve for x
x = 58,415,285,315,805,880/201,204,602.70 - Step 6: Final answer
x = 290,327,778.45
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Double scale
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Similar ratio
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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.