Home / 2,122,183,780.39-3,179,195,807.10-1,186,669,228.02

Finding the Fourth Proportional to 2,122,183,780.39, 3,179,195,807.10 and 1,186,669,228.02

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Solution

The fourth proportional to 2,122,183,780.39, 3,179,195,807.10 and 1,186,669,228.02 is: 1,777,722,489.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122,183,780.39 : 3,179,195,807.10 = 1,186,669,228.02 : x
  2. Step 2: Convert to fraction form
    2,122,183,780.39/3,179,195,807.10 = 1,186,669,228.02/x
  3. Step 3: Cross multiply
    2,122,183,780.39x = 3,179,195,807.10 × 1,186,669,228.02
  4. Step 4: Simplify right side
    2,122,183,780.39x = 3,772,653,834,135,777,792
  5. Step 5: Solve for x
    x = 3,772,653,834,135,777,792/2,122,183,780.39
  6. Step 6: Final answer
    x = 1,777,722,489.92

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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.