Finding the Fourth Proportional to 2,569,674,124.80, 3,545,836,781.40 and 1,440,383,257.44
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Solution
The fourth proportional to 2,569,674,124.80, 3,545,836,781.40 and 1,440,383,257.44 is: 1,987,553,162.58
Step by Step Solution
- Step 1: Write the proportion equation
2,569,674,124.80 : 3,545,836,781.40 = 1,440,383,257.44 : x - Step 2: Convert to fraction form
2,569,674,124.80/3,545,836,781.40 = 1,440,383,257.44/x - Step 3: Cross multiply
2,569,674,124.80x = 3,545,836,781.40 × 1,440,383,257.44 - Step 4: Simplify right side
2,569,674,124.80x = 5,107,363,933,543,497,728 - Step 5: Solve for x
x = 5,107,363,933,543,497,728/2,569,674,124.80 - Step 6: Final answer
x = 1,987,553,162.58
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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.