Finding the Fourth Proportional to 203,535,344,566.80, 305,303,016,850.20 and 185,903,407,645.20
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Solution
The fourth proportional to 203,535,344,566.80, 305,303,016,850.20 and 185,903,407,645.20 is: 278,855,111,467.80
Step by Step Solution
- Step 1: Write the proportion equation
203,535,344,566.80 : 305,303,016,850.20 = 185,903,407,645.20 : x - Step 2: Convert to fraction form
203,535,344,566.80/305,303,016,850.20 = 185,903,407,645.20/x - Step 3: Cross multiply
203,535,344,566.80x = 305,303,016,850.20 × 185,903,407,645.20 - Step 4: Simplify right side
203,535,344,566.80x = 56,756,871,196,812,100,239,360 - Step 5: Solve for x
x = 56,756,871,196,812,100,239,360/203,535,344,566.80 - Step 6: Final answer
x = 278,855,111,467.80
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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.