Home / 746,568,020.10-1,119,852,030.15-280,228,542.60

Finding the Fourth Proportional to 746,568,020.10, 1,119,852,030.15 and 280,228,542.60

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Solution

The fourth proportional to 746,568,020.10, 1,119,852,030.15 and 280,228,542.60 is: 420,342,813.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,568,020.10 : 1,119,852,030.15 = 280,228,542.60 : x
  2. Step 2: Convert to fraction form
    746,568,020.10/1,119,852,030.15 = 280,228,542.60/x
  3. Step 3: Cross multiply
    746,568,020.10x = 1,119,852,030.15 × 280,228,542.60
  4. Step 4: Simplify right side
    746,568,020.10x = 313,814,502,336,585,792
  5. Step 5: Solve for x
    x = 313,814,502,336,585,792/746,568,020.10
  6. Step 6: Final answer
    x = 420,342,813.90

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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.