Finding the Fourth Proportional to 2,640,198,962,135.20, 3,960,298,443,202.70 and 944,227,029,488.80
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Solution
The fourth proportional to 2,640,198,962,135.20, 3,960,298,443,202.70 and 944,227,029,488.80 is: 1,416,340,544,233.16
Step by Step Solution
- Step 1: Write the proportion equation
2,640,198,962,135.20 : 3,960,298,443,202.70 = 944,227,029,488.80 : x - Step 2: Convert to fraction form
2,640,198,962,135.20/3,960,298,443,202.70 = 944,227,029,488.80/x - Step 3: Cross multiply
2,640,198,962,135.20x = 3,960,298,443,202.70 × 944,227,029,488.80 - Step 4: Simplify right side
2,640,198,962,135.20x = 3,739,420,834,914,405,086,920,704 - Step 5: Solve for x
x = 3,739,420,834,914,405,086,920,704/2,640,198,962,135.20 - Step 6: Final answer
x = 1,416,340,544,233.16
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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.