Home / 323,410,859.80-485,116,289.70-177,788,152.60

Finding the Fourth Proportional to 323,410,859.80, 485,116,289.70 and 177,788,152.60

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Solution

The fourth proportional to 323,410,859.80, 485,116,289.70 and 177,788,152.60 is: 266,682,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,410,859.80 : 485,116,289.70 = 177,788,152.60 : x
  2. Step 2: Convert to fraction form
    323,410,859.80/485,116,289.70 = 177,788,152.60/x
  3. Step 3: Cross multiply
    323,410,859.80x = 485,116,289.70 × 177,788,152.60
  4. Step 4: Simplify right side
    323,410,859.80x = 86,247,928,941,929,408
  5. Step 5: Solve for x
    x = 86,247,928,941,929,408/323,410,859.80
  6. Step 6: Final answer
    x = 266,682,228.90

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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.