Home / 7,761,974,638.56-11,644,921,314.43-2,165,907,025.67

Finding the Fourth Proportional to 7,761,974,638.56, 11,644,921,314.43 and 2,165,907,025.67

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Solution

The fourth proportional to 7,761,974,638.56, 11,644,921,314.43 and 2,165,907,025.67 is: 3,249,407,278.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,761,974,638.56 : 11,644,921,314.43 = 2,165,907,025.67 : x
  2. Step 2: Convert to fraction form
    7,761,974,638.56/11,644,921,314.43 = 2,165,907,025.67/x
  3. Step 3: Cross multiply
    7,761,974,638.56x = 11,644,921,314.43 × 2,165,907,025.67
  4. Step 4: Simplify right side
    7,761,974,638.56x = 25,221,816,888,233,545,728
  5. Step 5: Solve for x
    x = 25,221,816,888,233,545,728/7,761,974,638.56
  6. Step 6: Final answer
    x = 3,249,407,278.78

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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.