Home / 15,757,218,972.44-21,745,477,647.24-8,620,467,223.76

Finding the Fourth Proportional to 15,757,218,972.44, 21,745,477,647.24 and 8,620,467,223.76

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Solution

The fourth proportional to 15,757,218,972.44, 21,745,477,647.24 and 8,620,467,223.76 is: 11,896,526,769.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,757,218,972.44 : 21,745,477,647.24 = 8,620,467,223.76 : x
  2. Step 2: Convert to fraction form
    15,757,218,972.44/21,745,477,647.24 = 8,620,467,223.76/x
  3. Step 3: Cross multiply
    15,757,218,972.44x = 21,745,477,647.24 × 8,620,467,223.76
  4. Step 4: Simplify right side
    15,757,218,972.44x = 187,456,177,323,038,146,560
  5. Step 5: Solve for x
    x = 187,456,177,323,038,146,560/15,757,218,972.44
  6. Step 6: Final answer
    x = 11,896,526,769.79

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1.5x scale

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.