Finding the Fourth Proportional to 589,715,921.80, 884,573,882.70 and 201,480,556.60
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Solution
The fourth proportional to 589,715,921.80, 884,573,882.70 and 201,480,556.60 is: 302,220,834.90
Step by Step Solution
- Step 1: Write the proportion equation
589,715,921.80 : 884,573,882.70 = 201,480,556.60 : x - Step 2: Convert to fraction form
589,715,921.80/884,573,882.70 = 201,480,556.60/x - Step 3: Cross multiply
589,715,921.80x = 884,573,882.70 × 201,480,556.60 - Step 4: Simplify right side
589,715,921.80x = 178,224,438,240,219,104 - Step 5: Solve for x
x = 178,224,438,240,219,104/589,715,921.80 - Step 6: Final answer
x = 302,220,834.90
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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.