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Finding the Fourth Proportional to 28,162,729,359.60, 42,244,094,039.40 and 28,162,729,359.60

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Solution

The fourth proportional to 28,162,729,359.60, 42,244,094,039.40 and 28,162,729,359.60 is: 42,244,094,039.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,162,729,359.60 : 42,244,094,039.40 = 28,162,729,359.60 : x
  2. Step 2: Convert to fraction form
    28,162,729,359.60/42,244,094,039.40 = 28,162,729,359.60/x
  3. Step 3: Cross multiply
    28,162,729,359.60x = 42,244,094,039.40 × 28,162,729,359.60
  4. Step 4: Simplify right side
    28,162,729,359.60x = 1,189,708,987,473,113,645,056
  5. Step 5: Solve for x
    x = 1,189,708,987,473,113,645,056/28,162,729,359.60
  6. Step 6: Final answer
    x = 42,244,094,039.40

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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.