Finding the Fourth Proportional to 3,542,944,070.80, 5,314,416,106.20 and 2,381,993,491.60
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Solution
The fourth proportional to 3,542,944,070.80, 5,314,416,106.20 and 2,381,993,491.60 is: 3,572,990,237.40
Step by Step Solution
- Step 1: Write the proportion equation
3,542,944,070.80 : 5,314,416,106.20 = 2,381,993,491.60 : x - Step 2: Convert to fraction form
3,542,944,070.80/5,314,416,106.20 = 2,381,993,491.60/x - Step 3: Cross multiply
3,542,944,070.80x = 5,314,416,106.20 × 2,381,993,491.60 - Step 4: Simplify right side
3,542,944,070.80x = 12,658,904,576,622,612,480 - Step 5: Solve for x
x = 12,658,904,576,622,612,480/3,542,944,070.80 - Step 6: Final answer
x = 3,572,990,237.40
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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.