Home / 543,043,220.46-749,424,321.09-320,034,314.22

Finding the Fourth Proportional to 543,043,220.46, 749,424,321.09 and 320,034,314.22

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Solution

The fourth proportional to 543,043,220.46, 749,424,321.09 and 320,034,314.22 is: 441,661,896.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,043,220.46 : 749,424,321.09 = 320,034,314.22 : x
  2. Step 2: Convert to fraction form
    543,043,220.46/749,424,321.09 = 320,034,314.22/x
  3. Step 3: Cross multiply
    543,043,220.46x = 749,424,321.09 × 320,034,314.22
  4. Step 4: Simplify right side
    543,043,220.46x = 239,841,498,659,827,264
  5. Step 5: Solve for x
    x = 239,841,498,659,827,264/543,043,220.46
  6. Step 6: Final answer
    x = 441,661,896.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.