Home / 21,242,196,446.96-29,314,274,509.32-11,726,761,285.04

Finding the Fourth Proportional to 21,242,196,446.96, 29,314,274,509.32 and 11,726,761,285.04

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Solution

The fourth proportional to 21,242,196,446.96, 29,314,274,509.32 and 11,726,761,285.04 is: 16,182,954,539.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,242,196,446.96 : 29,314,274,509.32 = 11,726,761,285.04 : x
  2. Step 2: Convert to fraction form
    21,242,196,446.96/29,314,274,509.32 = 11,726,761,285.04/x
  3. Step 3: Cross multiply
    21,242,196,446.96x = 29,314,274,509.32 × 11,726,761,285.04
  4. Step 4: Simplify right side
    21,242,196,446.96x = 343,761,499,414,928,752,640
  5. Step 5: Solve for x
    x = 343,761,499,414,928,752,640/21,242,196,446.96
  6. Step 6: Final answer
    x = 16,182,954,539.25

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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.