Home / 587,446,824.87-811,839,279.54-481,433,064.21

Finding the Fourth Proportional to 587,446,824.87, 811,839,279.54 and 481,433,064.21

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Solution

The fourth proportional to 587,446,824.87, 811,839,279.54 and 481,433,064.21 is: 665,330,469.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,446,824.87 : 811,839,279.54 = 481,433,064.21 : x
  2. Step 2: Convert to fraction form
    587,446,824.87/811,839,279.54 = 481,433,064.21/x
  3. Step 3: Cross multiply
    587,446,824.87x = 811,839,279.54 × 481,433,064.21
  4. Step 4: Simplify right side
    587,446,824.87x = 390,846,271,994,980,928
  5. Step 5: Solve for x
    x = 390,846,271,994,980,928/587,446,824.87
  6. Step 6: Final answer
    x = 665,330,469.84

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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.