Finding the Fourth Proportional to 2,486,783,590.96, 3,432,062,282.45 and 1,415,347,425.28
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Solution
The fourth proportional to 2,486,783,590.96, 3,432,062,282.45 and 1,415,347,425.28 is: 1,953,350,718.79
Step by Step Solution
- Step 1: Write the proportion equation
2,486,783,590.96 : 3,432,062,282.45 = 1,415,347,425.28 : x - Step 2: Convert to fraction form
2,486,783,590.96/3,432,062,282.45 = 1,415,347,425.28/x - Step 3: Cross multiply
2,486,783,590.96x = 3,432,062,282.45 × 1,415,347,425.28 - Step 4: Simplify right side
2,486,783,590.96x = 4,857,560,514,866,207,744 - Step 5: Solve for x
x = 4,857,560,514,866,207,744/2,486,783,590.96 - Step 6: Final answer
x = 1,953,350,718.79
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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.