Home / 420,944,667.68-580,907,400.23-232,785,693.48

Finding the Fourth Proportional to 420,944,667.68, 580,907,400.23 and 232,785,693.48

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Solution

The fourth proportional to 420,944,667.68, 580,907,400.23 and 232,785,693.48 is: 321,246,335.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,944,667.68 : 580,907,400.23 = 232,785,693.48 : x
  2. Step 2: Convert to fraction form
    420,944,667.68/580,907,400.23 = 232,785,693.48/x
  3. Step 3: Cross multiply
    420,944,667.68x = 580,907,400.23 × 232,785,693.48
  4. Step 4: Simplify right side
    420,944,667.68x = 135,226,932,012,964,816
  5. Step 5: Solve for x
    x = 135,226,932,012,964,816/420,944,667.68
  6. Step 6: Final answer
    x = 321,246,335.67

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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.