Home / 3,838,917,466.71-5,297,725,694.28-2,145,400,376.65

Finding the Fourth Proportional to 3,838,917,466.71, 5,297,725,694.28 and 2,145,400,376.65

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Solution

The fourth proportional to 3,838,917,466.71, 5,297,725,694.28 and 2,145,400,376.65 is: 2,960,663,467.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838,917,466.71 : 5,297,725,694.28 = 2,145,400,376.65 : x
  2. Step 2: Convert to fraction form
    3,838,917,466.71/5,297,725,694.28 = 2,145,400,376.65/x
  3. Step 3: Cross multiply
    3,838,917,466.71x = 5,297,725,694.28 × 2,145,400,376.65
  4. Step 4: Simplify right side
    3,838,917,466.71x = 11,365,742,699,896,694,784
  5. Step 5: Solve for x
    x = 11,365,742,699,896,694,784/3,838,917,466.71
  6. Step 6: Final answer
    x = 2,960,663,467.88

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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.