Home / 218,009,096,952.40-327,013,645,428.60-213,111,336,696.40

Finding the Fourth Proportional to 218,009,096,952.40, 327,013,645,428.60 and 213,111,336,696.40

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Solution

The fourth proportional to 218,009,096,952.40, 327,013,645,428.60 and 213,111,336,696.40 is: 319,667,005,044.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,009,096,952.40 : 327,013,645,428.60 = 213,111,336,696.40 : x
  2. Step 2: Convert to fraction form
    218,009,096,952.40/327,013,645,428.60 = 213,111,336,696.40/x
  3. Step 3: Cross multiply
    218,009,096,952.40x = 327,013,645,428.60 × 213,111,336,696.40
  4. Step 4: Simplify right side
    218,009,096,952.40x = 69,690,315,095,251,538,149,376
  5. Step 5: Solve for x
    x = 69,690,315,095,251,538,149,376/218,009,096,952.40
  6. Step 6: Final answer
    x = 319,667,005,044.60

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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.