Home / 661,609,904.20-992,414,856.30-273,303,680.20

Finding the Fourth Proportional to 661,609,904.20, 992,414,856.30 and 273,303,680.20

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Solution

The fourth proportional to 661,609,904.20, 992,414,856.30 and 273,303,680.20 is: 409,955,520.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,609,904.20 : 992,414,856.30 = 273,303,680.20 : x
  2. Step 2: Convert to fraction form
    661,609,904.20/992,414,856.30 = 273,303,680.20/x
  3. Step 3: Cross multiply
    661,609,904.20x = 992,414,856.30 × 273,303,680.20
  4. Step 4: Simplify right side
    661,609,904.20x = 271,230,632,511,944,128
  5. Step 5: Solve for x
    x = 271,230,632,511,944,128/661,609,904.20
  6. Step 6: Final answer
    x = 409,955,520.30

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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.