Home / 843,676,819.32-1,265,695,930.26-261,398,171.64

Finding the Fourth Proportional to 843,676,819.32, 1,265,695,930.26 and 261,398,171.64

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Solution

The fourth proportional to 843,676,819.32, 1,265,695,930.26 and 261,398,171.64 is: 392,153,244.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,676,819.32 : 1,265,695,930.26 = 261,398,171.64 : x
  2. Step 2: Convert to fraction form
    843,676,819.32/1,265,695,930.26 = 261,398,171.64/x
  3. Step 3: Cross multiply
    843,676,819.32x = 1,265,695,930.26 × 261,398,171.64
  4. Step 4: Simplify right side
    843,676,819.32x = 330,850,602,022,152,960
  5. Step 5: Solve for x
    x = 330,850,602,022,152,960/843,676,819.32
  6. Step 6: Final answer
    x = 392,153,244.52

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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.