Home / 1,309,835,800.88-1,961,621,504.32-755,457,507.92

Finding the Fourth Proportional to 1,309,835,800.88, 1,961,621,504.32 and 755,457,507.92

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Solution

The fourth proportional to 1,309,835,800.88, 1,961,621,504.32 and 755,457,507.92 is: 1,131,379,744.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,835,800.88 : 1,961,621,504.32 = 755,457,507.92 : x
  2. Step 2: Convert to fraction form
    1,309,835,800.88/1,961,621,504.32 = 755,457,507.92/x
  3. Step 3: Cross multiply
    1,309,835,800.88x = 1,961,621,504.32 × 755,457,507.92
  4. Step 4: Simplify right side
    1,309,835,800.88x = 1,481,921,693,135,868,672
  5. Step 5: Solve for x
    x = 1,481,921,693,135,868,672/1,309,835,800.88
  6. Step 6: Final answer
    x = 1,131,379,744.04

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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.