Home / 436,965,460.80-655,448,191.20-416,810,068.80

Finding the Fourth Proportional to 436,965,460.80, 655,448,191.20 and 416,810,068.80

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Solution

The fourth proportional to 436,965,460.80, 655,448,191.20 and 416,810,068.80 is: 625,215,103.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,965,460.80 : 655,448,191.20 = 416,810,068.80 : x
  2. Step 2: Convert to fraction form
    436,965,460.80/655,448,191.20 = 416,810,068.80/x
  3. Step 3: Cross multiply
    436,965,460.80x = 655,448,191.20 × 416,810,068.80
  4. Step 4: Simplify right side
    436,965,460.80x = 273,197,405,668,907,584
  5. Step 5: Solve for x
    x = 273,197,405,668,907,584/436,965,460.80
  6. Step 6: Final answer
    x = 625,215,103.20

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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.