Finding the Fourth Proportional to 6,422,739,796.90, 8,862,662,042.17 and 3,565,002,475.68
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Solution
The fourth proportional to 6,422,739,796.90, 8,862,662,042.17 and 3,565,002,475.68 is: 4,919,304,396.65
Step by Step Solution
- Step 1: Write the proportion equation
6,422,739,796.90 : 8,862,662,042.17 = 3,565,002,475.68 : x - Step 2: Convert to fraction form
6,422,739,796.90/8,862,662,042.17 = 3,565,002,475.68/x - Step 3: Cross multiply
6,422,739,796.90x = 8,862,662,042.17 × 3,565,002,475.68 - Step 4: Simplify right side
6,422,739,796.90x = 31,595,412,121,408,622,592 - Step 5: Solve for x
x = 31,595,412,121,408,622,592/6,422,739,796.90 - Step 6: Final answer
x = 4,919,304,396.65
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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.