Home / 436,612,052.80-654,918,079.20-313,530,317.20

Finding the Fourth Proportional to 436,612,052.80, 654,918,079.20 and 313,530,317.20

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Solution

The fourth proportional to 436,612,052.80, 654,918,079.20 and 313,530,317.20 is: 470,295,475.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,612,052.80 : 654,918,079.20 = 313,530,317.20 : x
  2. Step 2: Convert to fraction form
    436,612,052.80/654,918,079.20 = 313,530,317.20/x
  3. Step 3: Cross multiply
    436,612,052.80x = 654,918,079.20 × 313,530,317.20
  4. Step 4: Simplify right side
    436,612,052.80x = 205,336,673,111,590,720
  5. Step 5: Solve for x
    x = 205,336,673,111,590,720/436,612,052.80
  6. Step 6: Final answer
    x = 470,295,475.80

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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.