Home / 445,826,103.40-668,101,425.90-328,324,498.30

Finding the Fourth Proportional to 445,826,103.40, 668,101,425.90 and 328,324,498.30

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Solution

The fourth proportional to 445,826,103.40, 668,101,425.90 and 328,324,498.30 is: 492,017,097.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,826,103.40 : 668,101,425.90 = 328,324,498.30 : x
  2. Step 2: Convert to fraction form
    445,826,103.40/668,101,425.90 = 328,324,498.30/x
  3. Step 3: Cross multiply
    445,826,103.40x = 668,101,425.90 × 328,324,498.30
  4. Step 4: Simplify right side
    445,826,103.40x = 219,354,065,472,132,128
  5. Step 5: Solve for x
    x = 219,354,065,472,132,128/445,826,103.40
  6. Step 6: Final answer
    x = 492,017,097.70

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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.