Finding the Fourth Proportional to 2,486,783,589.96, 3,432,062,281.07 and 1,415,347,424.28
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Solution
The fourth proportional to 2,486,783,589.96, 3,432,062,281.07 and 1,415,347,424.28 is: 1,953,350,717.40
Step by Step Solution
- Step 1: Write the proportion equation
2,486,783,589.96 : 3,432,062,281.07 = 1,415,347,424.28 : x - Step 2: Convert to fraction form
2,486,783,589.96/3,432,062,281.07 = 1,415,347,424.28/x - Step 3: Cross multiply
2,486,783,589.96x = 3,432,062,281.07 × 1,415,347,424.28 - Step 4: Simplify right side
2,486,783,589.96x = 4,857,560,509,484,504,064 - Step 5: Solve for x
x = 4,857,560,509,484,504,064/2,486,783,589.96 - Step 6: Final answer
x = 1,953,350,717.40
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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.