Finding the Fourth Proportional to 391,393,335,879.30, 587,174,506,357.22 and 119,138,874,304.98
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Solution
The fourth proportional to 391,393,335,879.30, 587,174,506,357.22 and 119,138,874,304.98 is: 178,734,033,758.70
Step by Step Solution
- Step 1: Write the proportion equation
391,393,335,879.30 : 587,174,506,357.22 = 119,138,874,304.98 : x - Step 2: Convert to fraction form
391,393,335,879.30/587,174,506,357.22 = 119,138,874,304.98/x - Step 3: Cross multiply
391,393,335,879.30x = 587,174,506,357.22 × 119,138,874,304.98 - Step 4: Simplify right side
391,393,335,879.30x = 69,955,309,707,981,507,002,368 - Step 5: Solve for x
x = 69,955,309,707,981,507,002,368/391,393,335,879.30 - Step 6: Final answer
x = 178,734,033,758.70
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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.