Finding the Fourth Proportional to 1,814,985,742.30, 2,720,863,445.88 and 709,339,163.74
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Solution
The fourth proportional to 1,814,985,742.30, 2,720,863,445.88 and 709,339,163.74 is: 1,063,377,500.09
Step by Step Solution
- Step 1: Write the proportion equation
1,814,985,742.30 : 2,720,863,445.88 = 709,339,163.74 : x - Step 2: Convert to fraction form
1,814,985,742.30/2,720,863,445.88 = 709,339,163.74/x - Step 3: Cross multiply
1,814,985,742.30x = 2,720,863,445.88 × 709,339,163.74 - Step 4: Simplify right side
1,814,985,742.30x = 1,930,015,001,351,254,016 - Step 5: Solve for x
x = 1,930,015,001,351,254,016/1,814,985,742.30 - Step 6: Final answer
x = 1,063,377,500.09
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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.