Home / 442,733,194.80-664,502,788.32-235,645,464.96

Finding the Fourth Proportional to 442,733,194.80, 664,502,788.32 and 235,645,464.96

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Solution

The fourth proportional to 442,733,194.80, 664,502,788.32 and 235,645,464.96 is: 353,682,692.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,733,194.80 : 664,502,788.32 = 235,645,464.96 : x
  2. Step 2: Convert to fraction form
    442,733,194.80/664,502,788.32 = 235,645,464.96/x
  3. Step 3: Cross multiply
    442,733,194.80x = 664,502,788.32 × 235,645,464.96
  4. Step 4: Simplify right side
    442,733,194.80x = 156,587,068,520,882,880
  5. Step 5: Solve for x
    x = 156,587,068,520,882,880/442,733,194.80
  6. Step 6: Final answer
    x = 353,682,692.78

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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.