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Finding the Fourth Proportional to 74,199,094,879.20, 111,298,642,318.80 and 74,199,094,879.20

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Solution

The fourth proportional to 74,199,094,879.20, 111,298,642,318.80 and 74,199,094,879.20 is: 111,298,642,318.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,199,094,879.20 : 111,298,642,318.80 = 74,199,094,879.20 : x
  2. Step 2: Convert to fraction form
    74,199,094,879.20/111,298,642,318.80 = 74,199,094,879.20/x
  3. Step 3: Cross multiply
    74,199,094,879.20x = 111,298,642,318.80 × 74,199,094,879.20
  4. Step 4: Simplify right side
    74,199,094,879.20x = 8,258,258,521,338,785,300,480
  5. Step 5: Solve for x
    x = 8,258,258,521,338,785,300,480/74,199,094,879.20
  6. Step 6: Final answer
    x = 111,298,642,318.80

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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.