Finding the Fourth Proportional to 7,849,461,175.20, 11,768,156,876.88 and 4,063,795,285.68
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Solution
The fourth proportional to 7,849,461,175.20, 11,768,156,876.88 and 4,063,795,285.68 is: 6,092,568,568.72
Step by Step Solution
- Step 1: Write the proportion equation
7,849,461,175.20 : 11,768,156,876.88 = 4,063,795,285.68 : x - Step 2: Convert to fraction form
7,849,461,175.20/11,768,156,876.88 = 4,063,795,285.68/x - Step 3: Cross multiply
7,849,461,175.20x = 11,768,156,876.88 × 4,063,795,285.68 - Step 4: Simplify right side
7,849,461,175.20x = 47,823,380,437,407,612,928 - Step 5: Solve for x
x = 47,823,380,437,407,612,928/7,849,461,175.20 - Step 6: Final answer
x = 6,092,568,568.72
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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.