Home / 283,098,434.82-390,474,593.96-188,965,120.64

Finding the Fourth Proportional to 283,098,434.82, 390,474,593.96 and 188,965,120.64

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Solution

The fourth proportional to 283,098,434.82, 390,474,593.96 and 188,965,120.64 is: 260,637,536.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,098,434.82 : 390,474,593.96 = 188,965,120.64 : x
  2. Step 2: Convert to fraction form
    283,098,434.82/390,474,593.96 = 188,965,120.64/x
  3. Step 3: Cross multiply
    283,098,434.82x = 390,474,593.96 × 188,965,120.64
  4. Step 4: Simplify right side
    283,098,434.82x = 73,786,078,751,609,216
  5. Step 5: Solve for x
    x = 73,786,078,751,609,216/283,098,434.82
  6. Step 6: Final answer
    x = 260,637,536.90

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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.