Home / 407,659,412.28-562,576,460.80-231,443,811.84

Finding the Fourth Proportional to 407,659,412.28, 562,576,460.80 and 231,443,811.84

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Solution

The fourth proportional to 407,659,412.28, 562,576,460.80 and 231,443,811.84 is: 319,396,134.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,659,412.28 : 562,576,460.80 = 231,443,811.84 : x
  2. Step 2: Convert to fraction form
    407,659,412.28/562,576,460.80 = 231,443,811.84/x
  3. Step 3: Cross multiply
    407,659,412.28x = 562,576,460.80 × 231,443,811.84
  4. Step 4: Simplify right side
    407,659,412.28x = 130,204,840,539,008,320
  5. Step 5: Solve for x
    x = 130,204,840,539,008,320/407,659,412.28
  6. Step 6: Final answer
    x = 319,396,134.66

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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.