Home / 12,805,441,570.60-19,208,162,355.90-10,628,659,234.60

Finding the Fourth Proportional to 12,805,441,570.60, 19,208,162,355.90 and 10,628,659,234.60

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Solution

The fourth proportional to 12,805,441,570.60, 19,208,162,355.90 and 10,628,659,234.60 is: 15,942,988,851.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,805,441,570.60 : 19,208,162,355.90 = 10,628,659,234.60 : x
  2. Step 2: Convert to fraction form
    12,805,441,570.60/19,208,162,355.90 = 10,628,659,234.60/x
  3. Step 3: Cross multiply
    12,805,441,570.60x = 19,208,162,355.90 × 10,628,659,234.60
  4. Step 4: Simplify right side
    12,805,441,570.60x = 204,157,012,203,732,664,320
  5. Step 5: Solve for x
    x = 204,157,012,203,732,664,320/12,805,441,570.60
  6. Step 6: Final answer
    x = 15,942,988,851.90

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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.