Home / 945,135,329.24-1,304,252,564.11-521,739,896.64

Finding the Fourth Proportional to 945,135,329.24, 1,304,252,564.11 and 521,739,896.64

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Solution

The fourth proportional to 945,135,329.24, 1,304,252,564.11 and 521,739,896.64 is: 719,982,183.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,135,329.24 : 1,304,252,564.11 = 521,739,896.64 : x
  2. Step 2: Convert to fraction form
    945,135,329.24/1,304,252,564.11 = 521,739,896.64/x
  3. Step 3: Cross multiply
    945,135,329.24x = 1,304,252,564.11 × 521,739,896.64
  4. Step 4: Simplify right side
    945,135,329.24x = 680,480,597,985,011,200
  5. Step 5: Solve for x
    x = 680,480,597,985,011,200/945,135,329.24
  6. Step 6: Final answer
    x = 719,982,183.43

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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.