Home / 204,539,904,587.70-306,809,856,881.55-148,378,920,318.90

Finding the Fourth Proportional to 204,539,904,587.70, 306,809,856,881.55 and 148,378,920,318.90

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Solution

The fourth proportional to 204,539,904,587.70, 306,809,856,881.55 and 148,378,920,318.90 is: 222,568,380,478.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,539,904,587.70 : 306,809,856,881.55 = 148,378,920,318.90 : x
  2. Step 2: Convert to fraction form
    204,539,904,587.70/306,809,856,881.55 = 148,378,920,318.90/x
  3. Step 3: Cross multiply
    204,539,904,587.70x = 306,809,856,881.55 × 148,378,920,318.90
  4. Step 4: Simplify right side
    204,539,904,587.70x = 45,524,115,307,280,616,914,944
  5. Step 5: Solve for x
    x = 45,524,115,307,280,616,914,944/204,539,904,587.70
  6. Step 6: Final answer
    x = 222,568,380,478.35

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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.