Home / 436,626,812.20-654,940,218.30-207,044,300.20

Finding the Fourth Proportional to 436,626,812.20, 654,940,218.30 and 207,044,300.20

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Solution

The fourth proportional to 436,626,812.20, 654,940,218.30 and 207,044,300.20 is: 310,566,450.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,626,812.20 : 654,940,218.30 = 207,044,300.20 : x
  2. Step 2: Convert to fraction form
    436,626,812.20/654,940,218.30 = 207,044,300.20/x
  3. Step 3: Cross multiply
    436,626,812.20x = 654,940,218.30 × 207,044,300.20
  4. Step 4: Simplify right side
    436,626,812.20x = 135,601,639,170,758,720
  5. Step 5: Solve for x
    x = 135,601,639,170,758,720/436,626,812.20
  6. Step 6: Final answer
    x = 310,566,450.30

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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.