Home / 3,985,814,552.40-5,978,721,828.60-2,679,745,150.80

Finding the Fourth Proportional to 3,985,814,552.40, 5,978,721,828.60 and 2,679,745,150.80

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Solution

The fourth proportional to 3,985,814,552.40, 5,978,721,828.60 and 2,679,745,150.80 is: 4,019,617,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,814,552.40 : 5,978,721,828.60 = 2,679,745,150.80 : x
  2. Step 2: Convert to fraction form
    3,985,814,552.40/5,978,721,828.60 = 2,679,745,150.80/x
  3. Step 3: Cross multiply
    3,985,814,552.40x = 5,978,721,828.60 × 2,679,745,150.80
  4. Step 4: Simplify right side
    3,985,814,552.40x = 16,021,450,828,172,961,792
  5. Step 5: Solve for x
    x = 16,021,450,828,172,961,792/3,985,814,552.40
  6. Step 6: Final answer
    x = 4,019,617,726.20

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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.