Home / 408,844,985.40-613,043,529.30-166,233,785.40

Finding the Fourth Proportional to 408,844,985.40, 613,043,529.30 and 166,233,785.40

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Solution

The fourth proportional to 408,844,985.40, 613,043,529.30 and 166,233,785.40 is: 249,259,621.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,844,985.40 : 613,043,529.30 = 166,233,785.40 : x
  2. Step 2: Convert to fraction form
    408,844,985.40/613,043,529.30 = 166,233,785.40/x
  3. Step 3: Cross multiply
    408,844,985.40x = 613,043,529.30 × 166,233,785.40
  4. Step 4: Simplify right side
    408,844,985.40x = 101,908,546,490,514,800
  5. Step 5: Solve for x
    x = 101,908,546,490,514,800/408,844,985.40
  6. Step 6: Final answer
    x = 249,259,621.93

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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.