Finding the Fourth Proportional to 1,889,569,534.20, 2,834,354,301.30 and 1,728,861,775.80
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Solution
The fourth proportional to 1,889,569,534.20, 2,834,354,301.30 and 1,728,861,775.80 is: 2,593,292,663.70
Step by Step Solution
- Step 1: Write the proportion equation
1,889,569,534.20 : 2,834,354,301.30 = 1,728,861,775.80 : x - Step 2: Convert to fraction form
1,889,569,534.20/2,834,354,301.30 = 1,728,861,775.80/x - Step 3: Cross multiply
1,889,569,534.20x = 2,834,354,301.30 × 1,728,861,775.80 - Step 4: Simplify right side
1,889,569,534.20x = 4,900,206,810,591,886,336 - Step 5: Solve for x
x = 4,900,206,810,591,886,336/1,889,569,534.20 - Step 6: Final answer
x = 2,593,292,663.70
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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.