Home / 539,786,040.12-809,977,829.63-263,439,543.41

Finding the Fourth Proportional to 539,786,040.12, 809,977,829.63 and 263,439,543.41

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Solution

The fourth proportional to 539,786,040.12, 809,977,829.63 and 263,439,543.41 is: 395,305,127.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,786,040.12 : 809,977,829.63 = 263,439,543.41 : x
  2. Step 2: Convert to fraction form
    539,786,040.12/809,977,829.63 = 263,439,543.41/x
  3. Step 3: Cross multiply
    539,786,040.12x = 809,977,829.63 × 263,439,543.41
  4. Step 4: Simplify right side
    539,786,040.12x = 213,380,189,607,620,288
  5. Step 5: Solve for x
    x = 213,380,189,607,620,288/539,786,040.12
  6. Step 6: Final answer
    x = 395,305,127.86

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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.