Finding the Fourth Proportional to 3,468,467,352.79, 4,786,472,877.65 and 1,882,559,306.87
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Solution
The fourth proportional to 3,468,467,352.79, 4,786,472,877.65 and 1,882,559,306.87 is: 2,597,925,292.75
Step by Step Solution
- Step 1: Write the proportion equation
3,468,467,352.79 : 4,786,472,877.65 = 1,882,559,306.87 : x - Step 2: Convert to fraction form
3,468,467,352.79/4,786,472,877.65 = 1,882,559,306.87/x - Step 3: Cross multiply
3,468,467,352.79x = 4,786,472,877.65 × 1,882,559,306.87 - Step 4: Simplify right side
3,468,467,352.79x = 9,010,819,062,900,837,376 - Step 5: Solve for x
x = 9,010,819,062,900,837,376/3,468,467,352.79 - Step 6: Final answer
x = 2,597,925,292.75
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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.