Home / 320,210,691,100.72-441,898,884,179.22-175,694,782,494.86

Finding the Fourth Proportional to 320,210,691,100.72, 441,898,884,179.22 and 175,694,782,494.86

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Solution

The fourth proportional to 320,210,691,100.72, 441,898,884,179.22 and 175,694,782,494.86 is: 242,463,260,903.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,210,691,100.72 : 441,898,884,179.22 = 175,694,782,494.86 : x
  2. Step 2: Convert to fraction form
    320,210,691,100.72/441,898,884,179.22 = 175,694,782,494.86/x
  3. Step 3: Cross multiply
    320,210,691,100.72x = 441,898,884,179.22 × 175,694,782,494.86
  4. Step 4: Simplify right side
    320,210,691,100.72x = 77,639,328,340,589,378,797,568
  5. Step 5: Solve for x
    x = 77,639,328,340,589,378,797,568/320,210,691,100.72
  6. Step 6: Final answer
    x = 242,463,260,903.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.