Home / 1,309,481,719.10-1,806,815,012.74-752,457,149.36

Finding the Fourth Proportional to 1,309,481,719.10, 1,806,815,012.74 and 752,457,149.36

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Solution

The fourth proportional to 1,309,481,719.10, 1,806,815,012.74 and 752,457,149.36 is: 1,038,235,856.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,481,719.10 : 1,806,815,012.74 = 752,457,149.36 : x
  2. Step 2: Convert to fraction form
    1,309,481,719.10/1,806,815,012.74 = 752,457,149.36/x
  3. Step 3: Cross multiply
    1,309,481,719.10x = 1,806,815,012.74 × 752,457,149.36
  4. Step 4: Simplify right side
    1,309,481,719.10x = 1,359,550,873,907,192,576
  5. Step 5: Solve for x
    x = 1,359,550,873,907,192,576/1,309,481,719.10
  6. Step 6: Final answer
    x = 1,038,235,856.28

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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.