Home / 419,346,634.64-578,700,109.26-231,170,797.76

Finding the Fourth Proportional to 419,346,634.64, 578,700,109.26 and 231,170,797.76

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Solution

The fourth proportional to 419,346,634.64, 578,700,109.26 and 231,170,797.76 is: 319,016,667.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,346,634.64 : 578,700,109.26 = 231,170,797.76 : x
  2. Step 2: Convert to fraction form
    419,346,634.64/578,700,109.26 = 231,170,797.76/x
  3. Step 3: Cross multiply
    419,346,634.64x = 578,700,109.26 × 231,170,797.76
  4. Step 4: Simplify right side
    419,346,634.64x = 133,778,565,918,539,856
  5. Step 5: Solve for x
    x = 133,778,565,918,539,856/419,346,634.64
  6. Step 6: Final answer
    x = 319,016,667.52

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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.