Finding the Fourth Proportional to 1,467,921,730.60, 2,201,882,595.90 and 814,887,029.80
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Solution
The fourth proportional to 1,467,921,730.60, 2,201,882,595.90 and 814,887,029.80 is: 1,222,330,544.70
Step by Step Solution
- Step 1: Write the proportion equation
1,467,921,730.60 : 2,201,882,595.90 = 814,887,029.80 : x - Step 2: Convert to fraction form
1,467,921,730.60/2,201,882,595.90 = 814,887,029.80/x - Step 3: Cross multiply
1,467,921,730.60x = 2,201,882,595.90 × 814,887,029.80 - Step 4: Simplify right side
1,467,921,730.60x = 1,794,285,568,541,264,640 - Step 5: Solve for x
x = 1,794,285,568,541,264,640/1,467,921,730.60 - Step 6: Final answer
x = 1,222,330,544.70
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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.