Home / 29,165,540,407.80-43,749,505,005.30-8,486,108,215.80

Finding the Fourth Proportional to 29,165,540,407.80, 43,749,505,005.30 and 8,486,108,215.80

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Solution

The fourth proportional to 29,165,540,407.80, 43,749,505,005.30 and 8,486,108,215.80 is: 12,729,509,848.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,165,540,407.80 : 43,749,505,005.30 = 8,486,108,215.80 : x
  2. Step 2: Convert to fraction form
    29,165,540,407.80/43,749,505,005.30 = 8,486,108,215.80/x
  3. Step 3: Cross multiply
    29,165,540,407.80x = 43,749,505,005.30 × 8,486,108,215.80
  4. Step 4: Simplify right side
    29,165,540,407.80x = 371,263,033,862,659,571,712
  5. Step 5: Solve for x
    x = 371,263,033,862,659,571,712/29,165,540,407.80
  6. Step 6: Final answer
    x = 12,729,509,848.66

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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.