Home / 664,302,003.40-996,453,005.10-204,180,385.60

Finding the Fourth Proportional to 664,302,003.40, 996,453,005.10 and 204,180,385.60

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Solution

The fourth proportional to 664,302,003.40, 996,453,005.10 and 204,180,385.60 is: 306,270,578.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,302,003.40 : 996,453,005.10 = 204,180,385.60 : x
  2. Step 2: Convert to fraction form
    664,302,003.40/996,453,005.10 = 204,180,385.60/x
  3. Step 3: Cross multiply
    664,302,003.40x = 996,453,005.10 × 204,180,385.60
  4. Step 4: Simplify right side
    664,302,003.40x = 203,456,158,813,596,768
  5. Step 5: Solve for x
    x = 203,456,158,813,596,768/664,302,003.40
  6. Step 6: Final answer
    x = 306,270,578.40

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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.