Home / 5,105,872,455.40-7,643,100,389.82-3,331,422,349.48

Finding the Fourth Proportional to 5,105,872,455.40, 7,643,100,389.82 and 3,331,422,349.48

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Solution

The fourth proportional to 5,105,872,455.40, 7,643,100,389.82 and 3,331,422,349.48 is: 4,986,884,353.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105,872,455.40 : 7,643,100,389.82 = 3,331,422,349.48 : x
  2. Step 2: Convert to fraction form
    5,105,872,455.40/7,643,100,389.82 = 3,331,422,349.48/x
  3. Step 3: Cross multiply
    5,105,872,455.40x = 7,643,100,389.82 × 3,331,422,349.48
  4. Step 4: Simplify right side
    5,105,872,455.40x = 25,462,395,457,965,645,824
  5. Step 5: Solve for x
    x = 25,462,395,457,965,645,824/5,105,872,455.40
  6. Step 6: Final answer
    x = 4,986,884,353.34

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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.