Home / 587,446,778.31-811,839,215.36-481,433,017.76

Finding the Fourth Proportional to 587,446,778.31, 811,839,215.36 and 481,433,017.76

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Solution

The fourth proportional to 587,446,778.31, 811,839,215.36 and 481,433,017.76 is: 665,330,405.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,446,778.31 : 811,839,215.36 = 481,433,017.76 : x
  2. Step 2: Convert to fraction form
    587,446,778.31/811,839,215.36 = 481,433,017.76/x
  3. Step 3: Cross multiply
    587,446,778.31x = 811,839,215.36 × 481,433,017.76
  4. Step 4: Simplify right side
    587,446,778.31x = 390,846,203,388,499,392
  5. Step 5: Solve for x
    x = 390,846,203,388,499,392/587,446,778.31
  6. Step 6: Final answer
    x = 665,330,405.78

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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.