Home / 539,764,499.23-809,646,748.62-130,820,649.73

Finding the Fourth Proportional to 539,764,499.23, 809,646,748.62 and 130,820,649.73

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Solution

The fourth proportional to 539,764,499.23, 809,646,748.62 and 130,820,649.73 is: 196,230,974.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,764,499.23 : 809,646,748.62 = 130,820,649.73 : x
  2. Step 2: Convert to fraction form
    539,764,499.23/809,646,748.62 = 130,820,649.73/x
  3. Step 3: Cross multiply
    539,764,499.23x = 809,646,748.62 × 130,820,649.73
  4. Step 4: Simplify right side
    539,764,499.23x = 105,918,513,706,250,384
  5. Step 5: Solve for x
    x = 105,918,513,706,250,384/539,764,499.23
  6. Step 6: Final answer
    x = 196,230,974.54

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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.