Finding the Fourth Proportional to 1,700,640,163.20, 2,550,960,244.80 and 1,289,470,166.40
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Solution
The fourth proportional to 1,700,640,163.20, 2,550,960,244.80 and 1,289,470,166.40 is: 1,934,205,249.60
Step by Step Solution
- Step 1: Write the proportion equation
1,700,640,163.20 : 2,550,960,244.80 = 1,289,470,166.40 : x - Step 2: Convert to fraction form
1,700,640,163.20/2,550,960,244.80 = 1,289,470,166.40/x - Step 3: Cross multiply
1,700,640,163.20x = 2,550,960,244.80 × 1,289,470,166.40 - Step 4: Simplify right side
1,700,640,163.20x = 3,289,387,131,342,041,088 - Step 5: Solve for x
x = 3,289,387,131,342,041,088/1,700,640,163.20 - Step 6: Final answer
x = 1,934,205,249.60
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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.