Home / 661,610,069.20-992,415,103.80-273,303,845.20

Finding the Fourth Proportional to 661,610,069.20, 992,415,103.80 and 273,303,845.20

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Solution

The fourth proportional to 661,610,069.20, 992,415,103.80 and 273,303,845.20 is: 409,955,767.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,610,069.20 : 992,415,103.80 = 273,303,845.20 : x
  2. Step 2: Convert to fraction form
    661,610,069.20/992,415,103.80 = 273,303,845.20/x
  3. Step 3: Cross multiply
    661,610,069.20x = 992,415,103.80 × 273,303,845.20
  4. Step 4: Simplify right side
    661,610,069.20x = 271,230,863,903,097,120
  5. Step 5: Solve for x
    x = 271,230,863,903,097,120/661,610,069.20
  6. Step 6: Final answer
    x = 409,955,767.80

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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.