Home / 7,079,121,872,151.50-9,769,085,064,969.40-3,954,098,850,059

Finding the Fourth Proportional to 7,079,121,872,151.50, 9,769,085,064,969.40 and 3,954,098,850,059

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Solution

The fourth proportional to 7,079,121,872,151.50, 9,769,085,064,969.40 and 3,954,098,850,059 is: 5,456,598,815,381.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079,121,872,151.50 : 9,769,085,064,969.40 = 3,954,098,850,059 : x
  2. Step 2: Convert to fraction form
    7,079,121,872,151.50/9,769,085,064,969.40 = 3,954,098,850,059/x
  3. Step 3: Cross multiply
    7,079,121,872,151.50x = 9,769,085,064,969.40 × 3,954,098,850,059
  4. Step 4: Simplify right side
    7,079,121,872,151.50x = 38,627,928,021,524,057,033,801,728
  5. Step 5: Solve for x
    x = 38,627,928,021,524,057,033,801,728/7,079,121,872,151.50
  6. Step 6: Final answer
    x = 5,456,598,815,381.63

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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.