Home / 567,258,633.22-782,816,905.38-306,498,249.22

Finding the Fourth Proportional to 567,258,633.22, 782,816,905.38 and 306,498,249.22

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Solution

The fourth proportional to 567,258,633.22, 782,816,905.38 and 306,498,249.22 is: 422,967,579.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,258,633.22 : 782,816,905.38 = 306,498,249.22 : x
  2. Step 2: Convert to fraction form
    567,258,633.22/782,816,905.38 = 306,498,249.22/x
  3. Step 3: Cross multiply
    567,258,633.22x = 782,816,905.38 × 306,498,249.22
  4. Step 4: Simplify right side
    567,258,633.22x = 239,932,010,958,788,416
  5. Step 5: Solve for x
    x = 239,932,010,958,788,416/567,258,633.22
  6. Step 6: Final answer
    x = 422,967,579.35

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Double scale
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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.