Home / 3,985,804,979.70-5,978,707,469.55-3,985,804,979.70

Finding the Fourth Proportional to 3,985,804,979.70, 5,978,707,469.55 and 3,985,804,979.70

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Solution

The fourth proportional to 3,985,804,979.70, 5,978,707,469.55 and 3,985,804,979.70 is: 5,978,707,469.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,804,979.70 : 5,978,707,469.55 = 3,985,804,979.70 : x
  2. Step 2: Convert to fraction form
    3,985,804,979.70/5,978,707,469.55 = 3,985,804,979.70/x
  3. Step 3: Cross multiply
    3,985,804,979.70x = 5,978,707,469.55 × 3,985,804,979.70
  4. Step 4: Simplify right side
    3,985,804,979.70x = 23,829,962,004,301,975,552
  5. Step 5: Solve for x
    x = 23,829,962,004,301,975,552/3,985,804,979.70
  6. Step 6: Final answer
    x = 5,978,707,469.55

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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.