Home / 3,985,814,552.40-5,978,721,828.60-3,962,856,301.20

Finding the Fourth Proportional to 3,985,814,552.40, 5,978,721,828.60 and 3,962,856,301.20

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Solution

The fourth proportional to 3,985,814,552.40, 5,978,721,828.60 and 3,962,856,301.20 is: 5,944,284,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,814,552.40 : 5,978,721,828.60 = 3,962,856,301.20 : x
  2. Step 2: Convert to fraction form
    3,985,814,552.40/5,978,721,828.60 = 3,962,856,301.20/x
  3. Step 3: Cross multiply
    3,985,814,552.40x = 5,978,721,828.60 × 3,962,856,301.20
  4. Step 4: Simplify right side
    3,985,814,552.40x = 23,692,815,471,589,494,784
  5. Step 5: Solve for x
    x = 23,692,815,471,589,494,784/3,985,814,552.40
  6. Step 6: Final answer
    x = 5,944,284,451.80

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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.