Finding the Fourth Proportional to 203,463,998.70, 305,195,998.05 and 194,110,637.10
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Solution
The fourth proportional to 203,463,998.70, 305,195,998.05 and 194,110,637.10 is: 291,165,955.65
Step by Step Solution
- Step 1: Write the proportion equation
203,463,998.70 : 305,195,998.05 = 194,110,637.10 : x - Step 2: Convert to fraction form
203,463,998.70/305,195,998.05 = 194,110,637.10/x - Step 3: Cross multiply
203,463,998.70x = 305,195,998.05 × 194,110,637.10 - Step 4: Simplify right side
203,463,998.70x = 59,241,789,621,855,856 - Step 5: Solve for x
x = 59,241,789,621,855,856/203,463,998.70 - Step 6: Final answer
x = 291,165,955.65
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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.