Home / 1,131,044,738.20-1,696,567,107.30-313,157,039.20

Finding the Fourth Proportional to 1,131,044,738.20, 1,696,567,107.30 and 313,157,039.20

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Solution

The fourth proportional to 1,131,044,738.20, 1,696,567,107.30 and 313,157,039.20 is: 469,735,558.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,044,738.20 : 1,696,567,107.30 = 313,157,039.20 : x
  2. Step 2: Convert to fraction form
    1,131,044,738.20/1,696,567,107.30 = 313,157,039.20/x
  3. Step 3: Cross multiply
    1,131,044,738.20x = 1,696,567,107.30 × 313,157,039.20
  4. Step 4: Simplify right side
    1,131,044,738.20x = 531,291,932,126,176,640
  5. Step 5: Solve for x
    x = 531,291,932,126,176,640/1,131,044,738.20
  6. Step 6: Final answer
    x = 469,735,558.80

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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.