Finding the Fourth Proportional to 1,821,427,204.56, 2,733,265,247.52 and 715,837,720.24
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Solution
The fourth proportional to 1,821,427,204.56, 2,733,265,247.52 and 715,837,720.24 is: 1,074,198,495.94
Step by Step Solution
- Step 1: Write the proportion equation
1,821,427,204.56 : 2,733,265,247.52 = 715,837,720.24 : x - Step 2: Convert to fraction form
1,821,427,204.56/2,733,265,247.52 = 715,837,720.24/x - Step 3: Cross multiply
1,821,427,204.56x = 2,733,265,247.52 × 715,837,720.24 - Step 4: Simplify right side
1,821,427,204.56x = 1,956,574,363,595,936,000 - Step 5: Solve for x
x = 1,956,574,363,595,936,000/1,821,427,204.56 - Step 6: Final answer
x = 1,074,198,495.94
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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.