Home / 1,777,993,510,943.80-2,666,472,875,020.40-688,647,541,609.75

Finding the Fourth Proportional to 1,777,993,510,943.80, 2,666,472,875,020.40 and 688,647,541,609.75

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Solution

The fourth proportional to 1,777,993,510,943.80, 2,666,472,875,020.40 and 688,647,541,609.75 is: 1,032,770,917,806.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777,993,510,943.80 : 2,666,472,875,020.40 = 688,647,541,609.75 : x
  2. Step 2: Convert to fraction form
    1,777,993,510,943.80/2,666,472,875,020.40 = 688,647,541,609.75/x
  3. Step 3: Cross multiply
    1,777,993,510,943.80x = 2,666,472,875,020.40 × 688,647,541,609.75
  4. Step 4: Simplify right side
    1,777,993,510,943.80x = 1,836,259,990,151,880,423,505,920
  5. Step 5: Solve for x
    x = 1,836,259,990,151,880,423,505,920/1,777,993,510,943.80
  6. Step 6: Final answer
    x = 1,032,770,917,806.75

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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.