Home / 1,309,835,805.88-1,961,621,511.84-755,457,512.98

Finding the Fourth Proportional to 1,309,835,805.88, 1,961,621,511.84 and 755,457,512.98

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Solution

The fourth proportional to 1,309,835,805.88, 1,961,621,511.84 and 755,457,512.98 is: 1,131,379,751.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,835,805.88 : 1,961,621,511.84 = 755,457,512.98 : x
  2. Step 2: Convert to fraction form
    1,309,835,805.88/1,961,621,511.84 = 755,457,512.98/x
  3. Step 3: Cross multiply
    1,309,835,805.88x = 1,961,621,511.84 × 755,457,512.98
  4. Step 4: Simplify right side
    1,309,835,805.88x = 1,481,921,708,742,714,112
  5. Step 5: Solve for x
    x = 1,481,921,708,742,714,112/1,309,835,805.88
  6. Step 6: Final answer
    x = 1,131,379,751.64

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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.