Home / 13,886,037,906.40-19,162,887,203.46-8,171,585,365.60

Finding the Fourth Proportional to 13,886,037,906.40, 19,162,887,203.46 and 8,171,585,365.60

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Solution

The fourth proportional to 13,886,037,906.40, 19,162,887,203.46 and 8,171,585,365.60 is: 11,276,878,954.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886,037,906.40 : 19,162,887,203.46 = 8,171,585,365.60 : x
  2. Step 2: Convert to fraction form
    13,886,037,906.40/19,162,887,203.46 = 8,171,585,365.60/x
  3. Step 3: Cross multiply
    13,886,037,906.40x = 19,162,887,203.46 × 8,171,585,365.60
  4. Step 4: Simplify right side
    13,886,037,906.40x = 156,591,168,634,437,238,784
  5. Step 5: Solve for x
    x = 156,591,168,634,437,238,784/13,886,037,906.40
  6. Step 6: Final answer
    x = 11,276,878,954.96

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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.