Home / 484,137,143.20-725,764,815.60-177,355,280.80

Finding the Fourth Proportional to 484,137,143.20, 725,764,815.60 and 177,355,280.80

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Solution

The fourth proportional to 484,137,143.20, 725,764,815.60 and 177,355,280.80 is: 265,871,405.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,137,143.20 : 725,764,815.60 = 177,355,280.80 : x
  2. Step 2: Convert to fraction form
    484,137,143.20/725,764,815.60 = 177,355,280.80/x
  3. Step 3: Cross multiply
    484,137,143.20x = 725,764,815.60 × 177,355,280.80
  4. Step 4: Simplify right side
    484,137,143.20x = 128,718,222,665,498,240
  5. Step 5: Solve for x
    x = 128,718,222,665,498,240/484,137,143.20
  6. Step 6: Final answer
    x = 265,871,405.39

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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.