Home / 436,626,813.20-654,940,219.80-207,044,301.20

Finding the Fourth Proportional to 436,626,813.20, 654,940,219.80 and 207,044,301.20

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Solution

The fourth proportional to 436,626,813.20, 654,940,219.80 and 207,044,301.20 is: 310,566,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,626,813.20 : 654,940,219.80 = 207,044,301.20 : x
  2. Step 2: Convert to fraction form
    436,626,813.20/654,940,219.80 = 207,044,301.20/x
  3. Step 3: Cross multiply
    436,626,813.20x = 654,940,219.80 × 207,044,301.20
  4. Step 4: Simplify right side
    436,626,813.20x = 135,601,640,136,265,392
  5. Step 5: Solve for x
    x = 135,601,640,136,265,392/436,626,813.20
  6. Step 6: Final answer
    x = 310,566,451.80

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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.