Home / 469,006,298.44-703,509,469.53-321,308,215.72

Finding the Fourth Proportional to 469,006,298.44, 703,509,469.53 and 321,308,215.72

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Solution

The fourth proportional to 469,006,298.44, 703,509,469.53 and 321,308,215.72 is: 481,962,338.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,006,298.44 : 703,509,469.53 = 321,308,215.72 : x
  2. Step 2: Convert to fraction form
    469,006,298.44/703,509,469.53 = 321,308,215.72/x
  3. Step 3: Cross multiply
    469,006,298.44x = 703,509,469.53 × 321,308,215.72
  4. Step 4: Simplify right side
    469,006,298.44x = 226,043,372,395,049,216
  5. Step 5: Solve for x
    x = 226,043,372,395,049,216/469,006,298.44
  6. Step 6: Final answer
    x = 481,962,338.56

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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.