Home / 39,157,035,258,217-54,036,876,652,015-21,359,187,177,777

Finding the Fourth Proportional to 39,157,035,258,217, 54,036,876,652,015 and 21,359,187,177,777

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Solution

The fourth proportional to 39,157,035,258,217, 54,036,876,652,015 and 21,359,187,177,777 is: 29,475,769,942,787.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,157,035,258,217 : 54,036,876,652,015 = 21,359,187,177,777 : x
  2. Step 2: Convert to fraction form
    39,157,035,258,217/54,036,876,652,015 = 21,359,187,177,777/x
  3. Step 3: Cross multiply
    39,157,035,258,217x = 54,036,876,652,015 × 21,359,187,177,777
  4. Step 4: Simplify right side
    39,157,035,258,217x = 1,154,183,762,912,836,122,067,337,216
  5. Step 5: Solve for x
    x = 1,154,183,762,912,836,122,067,337,216/39,157,035,258,217
  6. Step 6: Final answer
    x = 29,475,769,942,787.84

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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.