Home / 475,933,242.93-656,331,434.87-306,214,258.83

Finding the Fourth Proportional to 475,933,242.93, 656,331,434.87 and 306,214,258.83

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Solution

The fourth proportional to 475,933,242.93, 656,331,434.87 and 306,214,258.83 is: 422,282,004.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,933,242.93 : 656,331,434.87 = 306,214,258.83 : x
  2. Step 2: Convert to fraction form
    475,933,242.93/656,331,434.87 = 306,214,258.83/x
  3. Step 3: Cross multiply
    475,933,242.93x = 656,331,434.87 × 306,214,258.83
  4. Step 4: Simplify right side
    475,933,242.93x = 200,978,043,874,016,384
  5. Step 5: Solve for x
    x = 200,978,043,874,016,384/475,933,242.93
  6. Step 6: Final answer
    x = 422,282,004.59

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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.