Home / 436,626,492.40-654,498,839.40-217,940,489.20

Finding the Fourth Proportional to 436,626,492.40, 654,498,839.40 and 217,940,489.20

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Solution

The fourth proportional to 436,626,492.40, 654,498,839.40 and 217,940,489.20 is: 326,690,660.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,626,492.40 : 654,498,839.40 = 217,940,489.20 : x
  2. Step 2: Convert to fraction form
    436,626,492.40/654,498,839.40 = 217,940,489.20/x
  3. Step 3: Cross multiply
    436,626,492.40x = 654,498,839.40 × 217,940,489.20
  4. Step 4: Simplify right side
    436,626,492.40x = 142,641,797,239,668,224
  5. Step 5: Solve for x
    x = 142,641,797,239,668,224/436,626,492.40
  6. Step 6: Final answer
    x = 326,690,660.60

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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.