Home / 11,521,705,100.28-15,902,510,908.56-7,004,624,331.84

Finding the Fourth Proportional to 11,521,705,100.28, 15,902,510,908.56 and 7,004,624,331.84

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Solution

The fourth proportional to 11,521,705,100.28, 15,902,510,908.56 and 7,004,624,331.84 is: 9,667,936,635.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,521,705,100.28 : 15,902,510,908.56 = 7,004,624,331.84 : x
  2. Step 2: Convert to fraction form
    11,521,705,100.28/15,902,510,908.56 = 7,004,624,331.84/x
  3. Step 3: Cross multiply
    11,521,705,100.28x = 15,902,510,908.56 × 7,004,624,331.84
  4. Step 4: Simplify right side
    11,521,705,100.28x = 111,391,114,847,450,398,720
  5. Step 5: Solve for x
    x = 111,391,114,847,450,398,720/11,521,705,100.28
  6. Step 6: Final answer
    x = 9,667,936,635.94

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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.