Finding the Fourth Proportional to 2,834,354,491.20, 4,251,531,736.80 and 2,640,644,246.70
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Solution
The fourth proportional to 2,834,354,491.20, 4,251,531,736.80 and 2,640,644,246.70 is: 3,960,966,370.05
Step by Step Solution
- Step 1: Write the proportion equation
2,834,354,491.20 : 4,251,531,736.80 = 2,640,644,246.70 : x - Step 2: Convert to fraction form
2,834,354,491.20/4,251,531,736.80 = 2,640,644,246.70/x - Step 3: Cross multiply
2,834,354,491.20x = 4,251,531,736.80 × 2,640,644,246.70 - Step 4: Simplify right side
2,834,354,491.20x = 11,226,782,820,443,377,664 - Step 5: Solve for x
x = 11,226,782,820,443,377,664/2,834,354,491.20 - Step 6: Final answer
x = 3,960,966,370.05
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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.