Home / 324,516,455.86-447,987,132.53-217,410,202.84

Finding the Fourth Proportional to 324,516,455.86, 447,987,132.53 and 217,410,202.84

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Solution

The fourth proportional to 324,516,455.86, 447,987,132.53 and 217,410,202.84 is: 300,129,536.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,516,455.86 : 447,987,132.53 = 217,410,202.84 : x
  2. Step 2: Convert to fraction form
    324,516,455.86/447,987,132.53 = 217,410,202.84/x
  3. Step 3: Cross multiply
    324,516,455.86x = 447,987,132.53 × 217,410,202.84
  4. Step 4: Simplify right side
    324,516,455.86x = 97,396,973,353,057,264
  5. Step 5: Solve for x
    x = 97,396,973,353,057,264/324,516,455.86
  6. Step 6: Final answer
    x = 300,129,536.10

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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.