Home / 1,121,524,803.20-1,682,287,204.80-540,394,069.70

Finding the Fourth Proportional to 1,121,524,803.20, 1,682,287,204.80 and 540,394,069.70

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Solution

The fourth proportional to 1,121,524,803.20, 1,682,287,204.80 and 540,394,069.70 is: 810,591,104.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,524,803.20 : 1,682,287,204.80 = 540,394,069.70 : x
  2. Step 2: Convert to fraction form
    1,121,524,803.20/1,682,287,204.80 = 540,394,069.70/x
  3. Step 3: Cross multiply
    1,121,524,803.20x = 1,682,287,204.80 × 540,394,069.70
  4. Step 4: Simplify right side
    1,121,524,803.20x = 909,098,029,006,109,440
  5. Step 5: Solve for x
    x = 909,098,029,006,109,440/1,121,524,803.20
  6. Step 6: Final answer
    x = 810,591,104.55

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Double scale
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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.