Home / 398,202,352.80-597,303,529.20-330,177,904.80

Finding the Fourth Proportional to 398,202,352.80, 597,303,529.20 and 330,177,904.80

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Solution

The fourth proportional to 398,202,352.80, 597,303,529.20 and 330,177,904.80 is: 495,266,857.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,202,352.80 : 597,303,529.20 = 330,177,904.80 : x
  2. Step 2: Convert to fraction form
    398,202,352.80/597,303,529.20 = 330,177,904.80/x
  3. Step 3: Cross multiply
    398,202,352.80x = 597,303,529.20 × 330,177,904.80
  4. Step 4: Simplify right side
    398,202,352.80x = 197,216,427,800,901,632
  5. Step 5: Solve for x
    x = 197,216,427,800,901,632/398,202,352.80
  6. Step 6: Final answer
    x = 495,266,857.20

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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.