Home / 218,009,096,972.40-327,013,645,458.60-213,111,336,716.40

Finding the Fourth Proportional to 218,009,096,972.40, 327,013,645,458.60 and 213,111,336,716.40

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Solution

The fourth proportional to 218,009,096,972.40, 327,013,645,458.60 and 213,111,336,716.40 is: 319,667,005,074.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,009,096,972.40 : 327,013,645,458.60 = 213,111,336,716.40 : x
  2. Step 2: Convert to fraction form
    218,009,096,972.40/327,013,645,458.60 = 213,111,336,716.40/x
  3. Step 3: Cross multiply
    218,009,096,972.40x = 327,013,645,458.60 × 213,111,336,716.40
  4. Step 4: Simplify right side
    218,009,096,972.40x = 69,690,315,108,185,144,295,424
  5. Step 5: Solve for x
    x = 69,690,315,108,185,144,295,424/218,009,096,972.40
  6. Step 6: Final answer
    x = 319,667,005,074.60

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1.5x scale

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.