Finding the Fourth Proportional to 1,492,603,676.82, 2,059,537,974.21 and 865,928,449.62
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Solution
The fourth proportional to 1,492,603,676.82, 2,059,537,974.21 and 865,928,449.62 is: 1,194,833,265.28
Step by Step Solution
- Step 1: Write the proportion equation
1,492,603,676.82 : 2,059,537,974.21 = 865,928,449.62 : x - Step 2: Convert to fraction form
1,492,603,676.82/2,059,537,974.21 = 865,928,449.62/x - Step 3: Cross multiply
1,492,603,676.82x = 2,059,537,974.21 × 865,928,449.62 - Step 4: Simplify right side
1,492,603,676.82x = 1,783,412,524,941,180,928 - Step 5: Solve for x
x = 1,783,412,524,941,180,928/1,492,603,676.82 - Step 6: Final answer
x = 1,194,833,265.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.