Home / 1,203,147,012.80-1,803,446,772.07-404,704,044.50

Finding the Fourth Proportional to 1,203,147,012.80, 1,803,446,772.07 and 404,704,044.50

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Solution

The fourth proportional to 1,203,147,012.80, 1,803,446,772.07 and 404,704,044.50 is: 606,627,614.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,147,012.80 : 1,803,446,772.07 = 404,704,044.50 : x
  2. Step 2: Convert to fraction form
    1,203,147,012.80/1,803,446,772.07 = 404,704,044.50/x
  3. Step 3: Cross multiply
    1,203,147,012.80x = 1,803,446,772.07 × 404,704,044.50
  4. Step 4: Simplify right side
    1,203,147,012.80x = 729,862,202,697,198,592
  5. Step 5: Solve for x
    x = 729,862,202,697,198,592/1,203,147,012.80
  6. Step 6: Final answer
    x = 606,627,614.86

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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.