Finding the Fourth Proportional to 8,690,673,618,925.20, 11,992,589,214,669 and 4,788,526,752,568.80
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Solution
The fourth proportional to 8,690,673,618,925.20, 11,992,589,214,669 and 4,788,526,752,568.80 is: 6,607,869,171,608.90
Step by Step Solution
- Step 1: Write the proportion equation
8,690,673,618,925.20 : 11,992,589,214,669 = 4,788,526,752,568.80 : x - Step 2: Convert to fraction form
8,690,673,618,925.20/11,992,589,214,669 = 4,788,526,752,568.80/x - Step 3: Cross multiply
8,690,673,618,925.20x = 11,992,589,214,669 × 4,788,526,752,568.80 - Step 4: Simplify right side
8,690,673,618,925.20x = 57,426,834,287,010,559,754,764,288 - Step 5: Solve for x
x = 57,426,834,287,010,559,754,764,288/8,690,673,618,925.20 - Step 6: Final answer
x = 6,607,869,171,608.90
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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.