Home / 12,422,714,983.20-18,634,072,474.80-7,179,624,365.40

Finding the Fourth Proportional to 12,422,714,983.20, 18,634,072,474.80 and 7,179,624,365.40

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Solution

The fourth proportional to 12,422,714,983.20, 18,634,072,474.80 and 7,179,624,365.40 is: 10,769,436,548.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,422,714,983.20 : 18,634,072,474.80 = 7,179,624,365.40 : x
  2. Step 2: Convert to fraction form
    12,422,714,983.20/18,634,072,474.80 = 7,179,624,365.40/x
  3. Step 3: Cross multiply
    12,422,714,983.20x = 18,634,072,474.80 × 7,179,624,365.40
  4. Step 4: Simplify right side
    12,422,714,983.20x = 133,785,640,766,703,550,464
  5. Step 5: Solve for x
    x = 133,785,640,766,703,550,464/12,422,714,983.20
  6. Step 6: Final answer
    x = 10,769,436,548.10

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1.5x scale

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.