Home / 218,009,096,747.40-327,013,645,121.10-213,111,336,491.40

Finding the Fourth Proportional to 218,009,096,747.40, 327,013,645,121.10 and 213,111,336,491.40

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Solution

The fourth proportional to 218,009,096,747.40, 327,013,645,121.10 and 213,111,336,491.40 is: 319,667,004,737.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,009,096,747.40 : 327,013,645,121.10 = 213,111,336,491.40 : x
  2. Step 2: Convert to fraction form
    218,009,096,747.40/327,013,645,121.10 = 213,111,336,491.40/x
  3. Step 3: Cross multiply
    218,009,096,747.40x = 327,013,645,121.10 × 213,111,336,491.40
  4. Step 4: Simplify right side
    218,009,096,747.40x = 69,690,314,962,682,003,849,216
  5. Step 5: Solve for x
    x = 69,690,314,962,682,003,849,216/218,009,096,747.40
  6. Step 6: Final answer
    x = 319,667,004,737.10

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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.