Home / 329,470,012.87-454,667,370.09-180,793,621.51

Finding the Fourth Proportional to 329,470,012.87, 454,667,370.09 and 180,793,621.51

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Solution

The fourth proportional to 329,470,012.87, 454,667,370.09 and 180,793,621.51 is: 249,494,513.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,470,012.87 : 454,667,370.09 = 180,793,621.51 : x
  2. Step 2: Convert to fraction form
    329,470,012.87/454,667,370.09 = 180,793,621.51/x
  3. Step 3: Cross multiply
    329,470,012.87x = 454,667,370.09 × 180,793,621.51
  4. Step 4: Simplify right side
    329,470,012.87x = 82,200,960,420,998,544
  5. Step 5: Solve for x
    x = 82,200,960,420,998,544/329,470,012.87
  6. Step 6: Final answer
    x = 249,494,513.04

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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.