Home / 475,454,763.42-713,231,011.25-164,561,870.68

Finding the Fourth Proportional to 475,454,763.42, 713,231,011.25 and 164,561,870.68

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Solution

The fourth proportional to 475,454,763.42, 713,231,011.25 and 164,561,870.68 is: 246,859,719.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,454,763.42 : 713,231,011.25 = 164,561,870.68 : x
  2. Step 2: Convert to fraction form
    475,454,763.42/713,231,011.25 = 164,561,870.68/x
  3. Step 3: Cross multiply
    475,454,763.42x = 713,231,011.25 × 164,561,870.68
  4. Step 4: Simplify right side
    475,454,763.42x = 117,370,629,438,288,128
  5. Step 5: Solve for x
    x = 117,370,629,438,288,128/475,454,763.42
  6. Step 6: Final answer
    x = 246,859,719.30

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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.