Home / 587,446,782.80-811,839,221.60-481,433,022.27

Finding the Fourth Proportional to 587,446,782.80, 811,839,221.60 and 481,433,022.27

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Solution

The fourth proportional to 587,446,782.80, 811,839,221.60 and 481,433,022.27 is: 665,330,412.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,446,782.80 : 811,839,221.60 = 481,433,022.27 : x
  2. Step 2: Convert to fraction form
    587,446,782.80/811,839,221.60 = 481,433,022.27/x
  3. Step 3: Cross multiply
    587,446,782.80x = 811,839,221.60 × 481,433,022.27
  4. Step 4: Simplify right side
    587,446,782.80x = 390,846,210,049,805,120
  5. Step 5: Solve for x
    x = 390,846,210,049,805,120/587,446,782.80
  6. Step 6: Final answer
    x = 665,330,412.04

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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.