Home / 484,977,824.73-669,269,666.61-261,959,505.21

Finding the Fourth Proportional to 484,977,824.73, 669,269,666.61 and 261,959,505.21

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Solution

The fourth proportional to 484,977,824.73, 669,269,666.61 and 261,959,505.21 is: 361,504,262.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,977,824.73 : 669,269,666.61 = 261,959,505.21 : x
  2. Step 2: Convert to fraction form
    484,977,824.73/669,269,666.61 = 261,959,505.21/x
  3. Step 3: Cross multiply
    484,977,824.73x = 669,269,666.61 × 261,959,505.21
  4. Step 4: Simplify right side
    484,977,824.73x = 175,321,550,717,217,280
  5. Step 5: Solve for x
    x = 175,321,550,717,217,280/484,977,824.73
  6. Step 6: Final answer
    x = 361,504,262.21

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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.