Finding the Fourth Proportional to 4,279,807,067.20, 6,421,739,327.84 and 2,067,776,808.64
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Solution
The fourth proportional to 4,279,807,067.20, 6,421,739,327.84 and 2,067,776,808.64 is: 3,102,645,386.75
Step by Step Solution
- Step 1: Write the proportion equation
4,279,807,067.20 : 6,421,739,327.84 = 2,067,776,808.64 : x - Step 2: Convert to fraction form
4,279,807,067.20/6,421,739,327.84 = 2,067,776,808.64/x - Step 3: Cross multiply
4,279,807,067.20x = 6,421,739,327.84 × 2,067,776,808.64 - Step 4: Simplify right side
4,279,807,067.20x = 13,278,723,653,238,974,464 - Step 5: Solve for x
x = 13,278,723,653,238,974,464/4,279,807,067.20 - Step 6: Final answer
x = 3,102,645,386.75
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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.