Home / 484,507,628.80-726,761,443.20-447,094,182.40

Finding the Fourth Proportional to 484,507,628.80, 726,761,443.20 and 447,094,182.40

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Solution

The fourth proportional to 484,507,628.80, 726,761,443.20 and 447,094,182.40 is: 670,641,273.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,507,628.80 : 726,761,443.20 = 447,094,182.40 : x
  2. Step 2: Convert to fraction form
    484,507,628.80/726,761,443.20 = 447,094,182.40/x
  3. Step 3: Cross multiply
    484,507,628.80x = 726,761,443.20 × 447,094,182.40
  4. Step 4: Simplify right side
    484,507,628.80x = 324,930,813,247,348,032
  5. Step 5: Solve for x
    x = 324,930,813,247,348,032/484,507,628.80
  6. Step 6: Final answer
    x = 670,641,273.60

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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.