Finding the Fourth Proportional to 1,782,847,916.20, 2,674,271,874.30 and 1,374,701,228.20
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Solution
The fourth proportional to 1,782,847,916.20, 2,674,271,874.30 and 1,374,701,228.20 is: 2,062,051,842.30
Step by Step Solution
- Step 1: Write the proportion equation
1,782,847,916.20 : 2,674,271,874.30 = 1,374,701,228.20 : x - Step 2: Convert to fraction form
1,782,847,916.20/2,674,271,874.30 = 1,374,701,228.20/x - Step 3: Cross multiply
1,782,847,916.20x = 2,674,271,874.30 × 1,374,701,228.20 - Step 4: Simplify right side
1,782,847,916.20x = 3,676,324,830,140,926,464 - Step 5: Solve for x
x = 3,676,324,830,140,926,464/1,782,847,916.20 - Step 6: Final answer
x = 2,062,051,842.30
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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.