Finding the Fourth Proportional to 1,328,544,057.80, 1,992,816,086.70 and 591,612,537.80
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Solution
The fourth proportional to 1,328,544,057.80, 1,992,816,086.70 and 591,612,537.80 is: 887,418,806.70
Step by Step Solution
- Step 1: Write the proportion equation
1,328,544,057.80 : 1,992,816,086.70 = 591,612,537.80 : x - Step 2: Convert to fraction form
1,328,544,057.80/1,992,816,086.70 = 591,612,537.80/x - Step 3: Cross multiply
1,328,544,057.80x = 1,992,816,086.70 × 591,612,537.80 - Step 4: Simplify right side
1,328,544,057.80x = 1,178,974,982,421,251,840 - Step 5: Solve for x
x = 1,178,974,982,421,251,840/1,328,544,057.80 - Step 6: Final answer
x = 887,418,806.70
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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.