Home / 408,844,982.40-613,043,524.80-166,233,782.40

Finding the Fourth Proportional to 408,844,982.40, 613,043,524.80 and 166,233,782.40

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Solution

The fourth proportional to 408,844,982.40, 613,043,524.80 and 166,233,782.40 is: 249,259,617.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,844,982.40 : 613,043,524.80 = 166,233,782.40 : x
  2. Step 2: Convert to fraction form
    408,844,982.40/613,043,524.80 = 166,233,782.40/x
  3. Step 3: Cross multiply
    408,844,982.40x = 613,043,524.80 × 166,233,782.40
  4. Step 4: Simplify right side
    408,844,982.40x = 101,908,543,903,332,192
  5. Step 5: Solve for x
    x = 101,908,543,903,332,192/408,844,982.40
  6. Step 6: Final answer
    x = 249,259,617.44

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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.