Home / 1,291,632,313.58-1,935,874,463.92-669,504,560.59

Finding the Fourth Proportional to 1,291,632,313.58, 1,935,874,463.92 and 669,504,560.59

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Solution

The fourth proportional to 1,291,632,313.58, 1,935,874,463.92 and 669,504,560.59 is: 1,003,440,970.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,632,313.58 : 1,935,874,463.92 = 669,504,560.59 : x
  2. Step 2: Convert to fraction form
    1,291,632,313.58/1,935,874,463.92 = 669,504,560.59/x
  3. Step 3: Cross multiply
    1,291,632,313.58x = 1,935,874,463.92 × 669,504,560.59
  4. Step 4: Simplify right side
    1,291,632,313.58x = 1,296,076,782,324,161,536
  5. Step 5: Solve for x
    x = 1,296,076,782,324,161,536/1,291,632,313.58
  6. Step 6: Final answer
    x = 1,003,440,970.54

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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.