Finding the Fourth Proportional to 1,483,285,512.80, 2,225,282,563.20 and 448,156,542.80
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Solution
The fourth proportional to 1,483,285,512.80, 2,225,282,563.20 and 448,156,542.80 is: 672,341,859.79
Step by Step Solution
- Step 1: Write the proportion equation
1,483,285,512.80 : 2,225,282,563.20 = 448,156,542.80 : x - Step 2: Convert to fraction form
1,483,285,512.80/2,225,282,563.20 = 448,156,542.80/x - Step 3: Cross multiply
1,483,285,512.80x = 2,225,282,563.20 × 448,156,542.80 - Step 4: Simplify right side
1,483,285,512.80x = 997,274,940,276,834,432 - Step 5: Solve for x
x = 997,274,940,276,834,432/1,483,285,512.80 - Step 6: Final answer
x = 672,341,859.79
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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.