Home / 1,969,639,972.85-2,954,456,316.44-641,666,426.71

Finding the Fourth Proportional to 1,969,639,972.85, 2,954,456,316.44 and 641,666,426.71

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Solution

The fourth proportional to 1,969,639,972.85, 2,954,456,316.44 and 641,666,426.71 is: 962,498,453.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,639,972.85 : 2,954,456,316.44 = 641,666,426.71 : x
  2. Step 2: Convert to fraction form
    1,969,639,972.85/2,954,456,316.44 = 641,666,426.71/x
  3. Step 3: Cross multiply
    1,969,639,972.85x = 2,954,456,316.44 × 641,666,426.71
  4. Step 4: Simplify right side
    1,969,639,972.85x = 1,895,775,427,446,455,296
  5. Step 5: Solve for x
    x = 1,895,775,427,446,455,296/1,969,639,972.85
  6. Step 6: Final answer
    x = 962,498,453.31

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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.