Home / 12,422,714,982.20-18,634,072,473.30-7,179,624,364.40

Finding the Fourth Proportional to 12,422,714,982.20, 18,634,072,473.30 and 7,179,624,364.40

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Solution

The fourth proportional to 12,422,714,982.20, 18,634,072,473.30 and 7,179,624,364.40 is: 10,769,436,546.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,422,714,982.20 : 18,634,072,473.30 = 7,179,624,364.40 : x
  2. Step 2: Convert to fraction form
    12,422,714,982.20/18,634,072,473.30 = 7,179,624,364.40/x
  3. Step 3: Cross multiply
    12,422,714,982.20x = 18,634,072,473.30 × 7,179,624,364.40
  4. Step 4: Simplify right side
    12,422,714,982.20x = 133,785,640,737,300,037,632
  5. Step 5: Solve for x
    x = 133,785,640,737,300,037,632/12,422,714,982.20
  6. Step 6: Final answer
    x = 10,769,436,546.60

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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.