Home / 1,121,524,802.70-1,682,287,204.05-540,394,069.20

Finding the Fourth Proportional to 1,121,524,802.70, 1,682,287,204.05 and 540,394,069.20

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Solution

The fourth proportional to 1,121,524,802.70, 1,682,287,204.05 and 540,394,069.20 is: 810,591,103.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,524,802.70 : 1,682,287,204.05 = 540,394,069.20 : x
  2. Step 2: Convert to fraction form
    1,121,524,802.70/1,682,287,204.05 = 540,394,069.20/x
  3. Step 3: Cross multiply
    1,121,524,802.70x = 1,682,287,204.05 × 540,394,069.20
  4. Step 4: Simplify right side
    1,121,524,802.70x = 909,098,027,759,670,272
  5. Step 5: Solve for x
    x = 909,098,027,759,670,272/1,121,524,802.70
  6. Step 6: Final answer
    x = 810,591,103.80

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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.