Home / 699,488,895.75-965,299,342.91-381,951,346.65

Finding the Fourth Proportional to 699,488,895.75, 965,299,342.91 and 381,951,346.65

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Solution

The fourth proportional to 699,488,895.75, 965,299,342.91 and 381,951,346.65 is: 527,095,406.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,488,895.75 : 965,299,342.91 = 381,951,346.65 : x
  2. Step 2: Convert to fraction form
    699,488,895.75/965,299,342.91 = 381,951,346.65/x
  3. Step 3: Cross multiply
    699,488,895.75x = 965,299,342.91 × 381,951,346.65
  4. Step 4: Simplify right side
    699,488,895.75x = 368,697,383,942,924,864
  5. Step 5: Solve for x
    x = 368,697,383,942,924,864/699,488,895.75
  6. Step 6: Final answer
    x = 527,095,406.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.