Home / 664,302,048.60-996,453,072.90-204,180,430.80

Finding the Fourth Proportional to 664,302,048.60, 996,453,072.90 and 204,180,430.80

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Solution

The fourth proportional to 664,302,048.60, 996,453,072.90 and 204,180,430.80 is: 306,270,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,302,048.60 : 996,453,072.90 = 204,180,430.80 : x
  2. Step 2: Convert to fraction form
    664,302,048.60/996,453,072.90 = 204,180,430.80/x
  3. Step 3: Cross multiply
    664,302,048.60x = 996,453,072.90 × 204,180,430.80
  4. Step 4: Simplify right side
    664,302,048.60x = 203,456,217,696,705,824
  5. Step 5: Solve for x
    x = 203,456,217,696,705,824/664,302,048.60
  6. Step 6: Final answer
    x = 306,270,646.20

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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.