Home / 484,977,879.20-669,269,741.84-261,959,559.82

Finding the Fourth Proportional to 484,977,879.20, 669,269,741.84 and 261,959,559.82

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Solution

The fourth proportional to 484,977,879.20, 669,269,741.84 and 261,959,559.82 is: 361,504,337.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,977,879.20 : 669,269,741.84 = 261,959,559.82 : x
  2. Step 2: Convert to fraction form
    484,977,879.20/669,269,741.84 = 261,959,559.82/x
  3. Step 3: Cross multiply
    484,977,879.20x = 669,269,741.84 × 261,959,559.82
  4. Step 4: Simplify right side
    484,977,879.20x = 175,321,606,971,250,816
  5. Step 5: Solve for x
    x = 175,321,606,971,250,816/484,977,879.20
  6. Step 6: Final answer
    x = 361,504,337.60

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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.