Home / 1,025,568,246.30-1,538,315,044.65-411,985,859.10

Finding the Fourth Proportional to 1,025,568,246.30, 1,538,315,044.65 and 411,985,859.10

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Solution

The fourth proportional to 1,025,568,246.30, 1,538,315,044.65 and 411,985,859.10 is: 617,963,794.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,568,246.30 : 1,538,315,044.65 = 411,985,859.10 : x
  2. Step 2: Convert to fraction form
    1,025,568,246.30/1,538,315,044.65 = 411,985,859.10/x
  3. Step 3: Cross multiply
    1,025,568,246.30x = 1,538,315,044.65 × 411,985,859.10
  4. Step 4: Simplify right side
    1,025,568,246.30x = 633,764,045,236,585,216
  5. Step 5: Solve for x
    x = 633,764,045,236,585,216/1,025,568,246.30
  6. Step 6: Final answer
    x = 617,963,794.73

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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.