Finding the Fourth Proportional to 1,347,983,423.70, 2,021,975,135.55 and 883,078,836.90
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Solution
The fourth proportional to 1,347,983,423.70, 2,021,975,135.55 and 883,078,836.90 is: 1,324,618,255.35
Step by Step Solution
- Step 1: Write the proportion equation
1,347,983,423.70 : 2,021,975,135.55 = 883,078,836.90 : x - Step 2: Convert to fraction form
1,347,983,423.70/2,021,975,135.55 = 883,078,836.90/x - Step 3: Cross multiply
1,347,983,423.70x = 2,021,975,135.55 × 883,078,836.90 - Step 4: Simplify right side
1,347,983,423.70x = 1,785,563,450,942,213,632 - Step 5: Solve for x
x = 1,785,563,450,942,213,632/1,347,983,423.70 - Step 6: Final answer
x = 1,324,618,255.35
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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.