Home / 661,609,891.20-992,414,836.80-273,303,667.20

Finding the Fourth Proportional to 661,609,891.20, 992,414,836.80 and 273,303,667.20

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Solution

The fourth proportional to 661,609,891.20, 992,414,836.80 and 273,303,667.20 is: 409,955,500.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,609,891.20 : 992,414,836.80 = 273,303,667.20 : x
  2. Step 2: Convert to fraction form
    661,609,891.20/992,414,836.80 = 273,303,667.20/x
  3. Step 3: Cross multiply
    661,609,891.20x = 992,414,836.80 × 273,303,667.20
  4. Step 4: Simplify right side
    661,609,891.20x = 271,230,614,281,129,504
  5. Step 5: Solve for x
    x = 271,230,614,281,129,504/661,609,891.20
  6. Step 6: Final answer
    x = 409,955,500.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.