Home / 1,992,003,134.40-2,988,004,701.60-1,397,958,384.60

Finding the Fourth Proportional to 1,992,003,134.40, 2,988,004,701.60 and 1,397,958,384.60

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Solution

The fourth proportional to 1,992,003,134.40, 2,988,004,701.60 and 1,397,958,384.60 is: 2,096,937,576.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,003,134.40 : 2,988,004,701.60 = 1,397,958,384.60 : x
  2. Step 2: Convert to fraction form
    1,992,003,134.40/2,988,004,701.60 = 1,397,958,384.60/x
  3. Step 3: Cross multiply
    1,992,003,134.40x = 2,988,004,701.60 × 1,397,958,384.60
  4. Step 4: Simplify right side
    1,992,003,134.40x = 4,177,106,225,825,940,480
  5. Step 5: Solve for x
    x = 4,177,106,225,825,940,480/1,992,003,134.40
  6. Step 6: Final answer
    x = 2,096,937,576.90

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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.