Home / 2,123,713,821.87-2,930,575,420.40-1,183,874,891.31

Finding the Fourth Proportional to 2,123,713,821.87, 2,930,575,420.40 and 1,183,874,891.31

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Solution

The fourth proportional to 2,123,713,821.87, 2,930,575,420.40 and 1,183,874,891.31 is: 1,633,663,924.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,123,713,821.87 : 2,930,575,420.40 = 1,183,874,891.31 : x
  2. Step 2: Convert to fraction form
    2,123,713,821.87/2,930,575,420.40 = 1,183,874,891.31/x
  3. Step 3: Cross multiply
    2,123,713,821.87x = 2,930,575,420.40 × 1,183,874,891.31
  4. Step 4: Simplify right side
    2,123,713,821.87x = 3,469,434,657,295,887,872
  5. Step 5: Solve for x
    x = 3,469,434,657,295,887,872/2,123,713,821.87
  6. Step 6: Final answer
    x = 1,633,663,924.76

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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.