Home / 5,212,065,374.40-7,192,599,540.48-3,879,912,780.48

Finding the Fourth Proportional to 5,212,065,374.40, 7,192,599,540.48 and 3,879,912,780.48

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Solution

The fourth proportional to 5,212,065,374.40, 7,192,599,540.48 and 3,879,912,780.48 is: 5,354,241,913.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212,065,374.40 : 7,192,599,540.48 = 3,879,912,780.48 : x
  2. Step 2: Convert to fraction form
    5,212,065,374.40/7,192,599,540.48 = 3,879,912,780.48/x
  3. Step 3: Cross multiply
    5,212,065,374.40x = 7,192,599,540.48 × 3,879,912,780.48
  4. Step 4: Simplify right side
    5,212,065,374.40x = 27,906,658,881,982,926,848
  5. Step 5: Solve for x
    x = 27,906,658,881,982,926,848/5,212,065,374.40
  6. Step 6: Final answer
    x = 5,354,241,913.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.