Finding the Fourth Proportional to 1,780,351,542.07, 2,454,627,222.79 and 1,272,321,043.00
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Solution
The fourth proportional to 1,780,351,542.07, 2,454,627,222.79 and 1,272,321,043.00 is: 1,754,189,436.45
Step by Step Solution
- Step 1: Write the proportion equation
1,780,351,542.07 : 2,454,627,222.79 = 1,272,321,043.00 : x - Step 2: Convert to fraction form
1,780,351,542.07/2,454,627,222.79 = 1,272,321,043.00/x - Step 3: Cross multiply
1,780,351,542.07x = 2,454,627,222.79 × 1,272,321,043.00 - Step 4: Simplify right side
1,780,351,542.07x = 3,123,073,868,267,048,448 - Step 5: Solve for x
x = 3,123,073,868,267,048,448/1,780,351,542.07 - Step 6: Final answer
x = 1,754,189,436.45
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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.