Finding the Fourth Proportional to 1,074,110,649.50, 1,611,166,380.19 and 483,210,668.99
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Solution
The fourth proportional to 1,074,110,649.50, 1,611,166,380.19 and 483,210,668.99 is: 724,816,186.10
Step by Step Solution
- Step 1: Write the proportion equation
1,074,110,649.50 : 1,611,166,380.19 = 483,210,668.99 : x - Step 2: Convert to fraction form
1,074,110,649.50/1,611,166,380.19 = 483,210,668.99/x - Step 3: Cross multiply
1,074,110,649.50x = 1,611,166,380.19 × 483,210,668.99 - Step 4: Simplify right side
1,074,110,649.50x = 778,532,784,416,542,720 - Step 5: Solve for x
x = 778,532,784,416,542,720/1,074,110,649.50 - Step 6: Final answer
x = 724,816,186.10
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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.