Home / 7,578,129,401.28-11,366,325,786.24-1,982,606,672.16

Finding the Fourth Proportional to 7,578,129,401.28, 11,366,325,786.24 and 1,982,606,672.16

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Solution

The fourth proportional to 7,578,129,401.28, 11,366,325,786.24 and 1,982,606,672.16 is: 2,973,682,837.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,578,129,401.28 : 11,366,325,786.24 = 1,982,606,672.16 : x
  2. Step 2: Convert to fraction form
    7,578,129,401.28/11,366,325,786.24 = 1,982,606,672.16/x
  3. Step 3: Cross multiply
    7,578,129,401.28x = 11,366,325,786.24 × 1,982,606,672.16
  4. Step 4: Simplify right side
    7,578,129,401.28x = 22,534,953,341,743,681,536
  5. Step 5: Solve for x
    x = 22,534,953,341,743,681,536/7,578,129,401.28
  6. Step 6: Final answer
    x = 2,973,682,837.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.