Finding the Fourth Proportional to 1,843,596,457.20, 2,765,394,685.80 and 1,812,985,455.60
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Solution
The fourth proportional to 1,843,596,457.20, 2,765,394,685.80 and 1,812,985,455.60 is: 2,719,478,183.40
Step by Step Solution
- Step 1: Write the proportion equation
1,843,596,457.20 : 2,765,394,685.80 = 1,812,985,455.60 : x - Step 2: Convert to fraction form
1,843,596,457.20/2,765,394,685.80 = 1,812,985,455.60/x - Step 3: Cross multiply
1,843,596,457.20x = 2,765,394,685.80 × 1,812,985,455.60 - Step 4: Simplify right side
1,843,596,457.20x = 5,013,620,344,348,932,096 - Step 5: Solve for x
x = 5,013,620,344,348,932,096/1,843,596,457.20 - Step 6: Final answer
x = 2,719,478,183.40
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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.