Home / 398,563,322.40-597,844,983.60-244,710,496.80

Finding the Fourth Proportional to 398,563,322.40, 597,844,983.60 and 244,710,496.80

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Solution

The fourth proportional to 398,563,322.40, 597,844,983.60 and 244,710,496.80 is: 367,065,745.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,563,322.40 : 597,844,983.60 = 244,710,496.80 : x
  2. Step 2: Convert to fraction form
    398,563,322.40/597,844,983.60 = 244,710,496.80/x
  3. Step 3: Cross multiply
    398,563,322.40x = 597,844,983.60 × 244,710,496.80
  4. Step 4: Simplify right side
    398,563,322.40x = 146,298,942,946,143,872
  5. Step 5: Solve for x
    x = 146,298,942,946,143,872/398,563,322.40
  6. Step 6: Final answer
    x = 367,065,745.20

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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.