Finding the Fourth Proportional to 2,519,430,198.40, 3,779,145,297.60 and 883,064,310.40
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Solution
The fourth proportional to 2,519,430,198.40, 3,779,145,297.60 and 883,064,310.40 is: 1,324,596,465.60
Step by Step Solution
- Step 1: Write the proportion equation
2,519,430,198.40 : 3,779,145,297.60 = 883,064,310.40 : x - Step 2: Convert to fraction form
2,519,430,198.40/3,779,145,297.60 = 883,064,310.40/x - Step 3: Cross multiply
2,519,430,198.40x = 3,779,145,297.60 × 883,064,310.40 - Step 4: Simplify right side
2,519,430,198.40x = 3,337,228,336,126,546,432 - Step 5: Solve for x
x = 3,337,228,336,126,546,432/2,519,430,198.40 - Step 6: Final answer
x = 1,324,596,465.60
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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.