Home / 1,682,458,782.31-2,521,432,317.14-1,309,417,121.55

Finding the Fourth Proportional to 1,682,458,782.31, 2,521,432,317.14 and 1,309,417,121.55

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Solution

The fourth proportional to 1,682,458,782.31, 2,521,432,317.14 and 1,309,417,121.55 is: 1,962,370,003.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,458,782.31 : 2,521,432,317.14 = 1,309,417,121.55 : x
  2. Step 2: Convert to fraction form
    1,682,458,782.31/2,521,432,317.14 = 1,309,417,121.55/x
  3. Step 3: Cross multiply
    1,682,458,782.31x = 2,521,432,317.14 × 1,309,417,121.55
  4. Step 4: Simplify right side
    1,682,458,782.31x = 3,301,606,646,900,616,192
  5. Step 5: Solve for x
    x = 3,301,606,646,900,616,192/1,682,458,782.31
  6. Step 6: Final answer
    x = 1,962,370,003.72

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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.