Home / 350,189,629.20-525,284,443.80-321,972,080.40

Finding the Fourth Proportional to 350,189,629.20, 525,284,443.80 and 321,972,080.40

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Solution

The fourth proportional to 350,189,629.20, 525,284,443.80 and 321,972,080.40 is: 482,958,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,189,629.20 : 525,284,443.80 = 321,972,080.40 : x
  2. Step 2: Convert to fraction form
    350,189,629.20/525,284,443.80 = 321,972,080.40/x
  3. Step 3: Cross multiply
    350,189,629.20x = 525,284,443.80 × 321,972,080.40
  4. Step 4: Simplify right side
    350,189,629.20x = 169,126,925,172,042,880
  5. Step 5: Solve for x
    x = 169,126,925,172,042,880/350,189,629.20
  6. Step 6: Final answer
    x = 482,958,120.60

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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.