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Finding the Fourth Proportional to 128,892,303,003.75, 193,338,454,505.64 and 128,892,303,003.75

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Solution

The fourth proportional to 128,892,303,003.75, 193,338,454,505.64 and 128,892,303,003.75 is: 193,338,454,505.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,892,303,003.75 : 193,338,454,505.64 = 128,892,303,003.75 : x
  2. Step 2: Convert to fraction form
    128,892,303,003.75/193,338,454,505.64 = 128,892,303,003.75/x
  3. Step 3: Cross multiply
    128,892,303,003.75x = 193,338,454,505.64 × 128,892,303,003.75
  4. Step 4: Simplify right side
    128,892,303,003.75x = 24,919,838,660,417,688,698,880
  5. Step 5: Solve for x
    x = 24,919,838,660,417,688,698,880/128,892,303,003.75
  6. Step 6: Final answer
    x = 193,338,454,505.64

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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.