Finding the Fourth Proportional to 1,656,930,576.25, 2,286,612,671.38 and 904,292,024.98
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Solution
The fourth proportional to 1,656,930,576.25, 2,286,612,671.38 and 904,292,024.98 is: 1,247,949,450.99
Step by Step Solution
- Step 1: Write the proportion equation
1,656,930,576.25 : 2,286,612,671.38 = 904,292,024.98 : x - Step 2: Convert to fraction form
1,656,930,576.25/2,286,612,671.38 = 904,292,024.98/x - Step 3: Cross multiply
1,656,930,576.25x = 2,286,612,671.38 × 904,292,024.98 - Step 4: Simplify right side
1,656,930,576.25x = 2,067,765,602,947,147,520 - Step 5: Solve for x
x = 2,067,765,602,947,147,520/1,656,930,576.25 - Step 6: Final answer
x = 1,247,949,450.99
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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.