Finding the Fourth Proportional to 1,569,233,432.70, 2,353,850,149.05 and 1,324,345,419.90
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Solution
The fourth proportional to 1,569,233,432.70, 2,353,850,149.05 and 1,324,345,419.90 is: 1,986,518,129.85
Step by Step Solution
- Step 1: Write the proportion equation
1,569,233,432.70 : 2,353,850,149.05 = 1,324,345,419.90 : x - Step 2: Convert to fraction form
1,569,233,432.70/2,353,850,149.05 = 1,324,345,419.90/x - Step 3: Cross multiply
1,569,233,432.70x = 2,353,850,149.05 × 1,324,345,419.90 - Step 4: Simplify right side
1,569,233,432.70x = 3,117,310,664,025,300,480 - Step 5: Solve for x
x = 3,117,310,664,025,300,480/1,569,233,432.70 - Step 6: Final answer
x = 1,986,518,129.85
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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.