Home / 1,969,639,973.85-2,954,456,317.94-641,666,427.71

Finding the Fourth Proportional to 1,969,639,973.85, 2,954,456,317.94 and 641,666,427.71

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Solution

The fourth proportional to 1,969,639,973.85, 2,954,456,317.94 and 641,666,427.71 is: 962,498,454.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,639,973.85 : 2,954,456,317.94 = 641,666,427.71 : x
  2. Step 2: Convert to fraction form
    1,969,639,973.85/2,954,456,317.94 = 641,666,427.71/x
  3. Step 3: Cross multiply
    1,969,639,973.85x = 2,954,456,317.94 × 641,666,427.71
  4. Step 4: Simplify right side
    1,969,639,973.85x = 1,895,775,431,357,799,936
  5. Step 5: Solve for x
    x = 1,895,775,431,357,799,936/1,969,639,973.85
  6. Step 6: Final answer
    x = 962,498,454.81

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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.