Home / 12,139,659,617.40-16,743,454,650.36-10,448,945,817.12

Finding the Fourth Proportional to 12,139,659,617.40, 16,743,454,650.36 and 10,448,945,817.12

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Solution

The fourth proportional to 12,139,659,617.40, 16,743,454,650.36 and 10,448,945,817.12 is: 14,411,561,439.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,139,659,617.40 : 16,743,454,650.36 = 10,448,945,817.12 : x
  2. Step 2: Convert to fraction form
    12,139,659,617.40/16,743,454,650.36 = 10,448,945,817.12/x
  3. Step 3: Cross multiply
    12,139,659,617.40x = 16,743,454,650.36 × 10,448,945,817.12
  4. Step 4: Simplify right side
    12,139,659,617.40x = 174,951,450,433,017,544,704
  5. Step 5: Solve for x
    x = 174,951,450,433,017,544,704/12,139,659,617.40
  6. Step 6: Final answer
    x = 14,411,561,439.68

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1.5x scale

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.