Home / 12,139,659,611.40-16,743,454,642.10-10,448,945,811.12

Finding the Fourth Proportional to 12,139,659,611.40, 16,743,454,642.10 and 10,448,945,811.12

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Solution

The fourth proportional to 12,139,659,611.40, 16,743,454,642.10 and 10,448,945,811.12 is: 14,411,561,431.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,139,659,611.40 : 16,743,454,642.10 = 10,448,945,811.12 : x
  2. Step 2: Convert to fraction form
    12,139,659,611.40/16,743,454,642.10 = 10,448,945,811.12/x
  3. Step 3: Cross multiply
    12,139,659,611.40x = 16,743,454,642.10 × 10,448,945,811.12
  4. Step 4: Simplify right side
    12,139,659,611.40x = 174,951,450,246,248,529,920
  5. Step 5: Solve for x
    x = 174,951,450,246,248,529,920/12,139,659,611.40
  6. Step 6: Final answer
    x = 14,411,561,431.42

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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.