Home / 20,929,906,152.14-28,878,305,989.12-11,896,953,246.54

Finding the Fourth Proportional to 20,929,906,152.14, 28,878,305,989.12 and 11,896,953,246.54

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Solution

The fourth proportional to 20,929,906,152.14, 28,878,305,989.12 and 11,896,953,246.54 is: 16,414,973,564.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,929,906,152.14 : 28,878,305,989.12 = 11,896,953,246.54 : x
  2. Step 2: Convert to fraction form
    20,929,906,152.14/28,878,305,989.12 = 11,896,953,246.54/x
  3. Step 3: Cross multiply
    20,929,906,152.14x = 28,878,305,989.12 × 11,896,953,246.54
  4. Step 4: Simplify right side
    20,929,906,152.14x = 343,563,856,191,812,927,488
  5. Step 5: Solve for x
    x = 343,563,856,191,812,927,488/20,929,906,152.14
  6. Step 6: Final answer
    x = 16,414,973,564.36

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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.