Home / 3,838,917,467.81-5,297,725,695.83-2,145,400,377.77

Finding the Fourth Proportional to 3,838,917,467.81, 5,297,725,695.83 and 2,145,400,377.77

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Solution

The fourth proportional to 3,838,917,467.81, 5,297,725,695.83 and 2,145,400,377.77 is: 2,960,663,469.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838,917,467.81 : 5,297,725,695.83 = 2,145,400,377.77 : x
  2. Step 2: Convert to fraction form
    3,838,917,467.81/5,297,725,695.83 = 2,145,400,377.77/x
  3. Step 3: Cross multiply
    3,838,917,467.81x = 5,297,725,695.83 × 2,145,400,377.77
  4. Step 4: Simplify right side
    3,838,917,467.81x = 11,365,742,709,118,302,208
  5. Step 5: Solve for x
    x = 11,365,742,709,118,302,208/3,838,917,467.81
  6. Step 6: Final answer
    x = 2,960,663,469.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.