Home / 5,105,871,797.07-7,643,099,399.90-3,331,421,686.31

Finding the Fourth Proportional to 5,105,871,797.07, 7,643,099,399.90 and 3,331,421,686.31

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Solution

The fourth proportional to 5,105,871,797.07, 7,643,099,399.90 and 3,331,421,686.31 is: 4,986,883,357.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105,871,797.07 : 7,643,099,399.90 = 3,331,421,686.31 : x
  2. Step 2: Convert to fraction form
    5,105,871,797.07/7,643,099,399.90 = 3,331,421,686.31/x
  3. Step 3: Cross multiply
    5,105,871,797.07x = 7,643,099,399.90 × 3,331,421,686.31
  4. Step 4: Simplify right side
    5,105,871,797.07x = 25,462,387,091,394,932,736
  5. Step 5: Solve for x
    x = 25,462,387,091,394,932,736/5,105,871,797.07
  6. Step 6: Final answer
    x = 4,986,883,357.71

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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.