Home / 484,977,959.65-669,269,852.34-261,959,639.97

Finding the Fourth Proportional to 484,977,959.65, 669,269,852.34 and 261,959,639.97

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Solution

The fourth proportional to 484,977,959.65, 669,269,852.34 and 261,959,639.97 is: 361,504,447.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,977,959.65 : 669,269,852.34 = 261,959,639.97 : x
  2. Step 2: Convert to fraction form
    484,977,959.65/669,269,852.34 = 261,959,639.97/x
  3. Step 3: Cross multiply
    484,977,959.65x = 669,269,852.34 × 261,959,639.97
  4. Step 4: Simplify right side
    484,977,959.65x = 175,321,689,561,761,472
  5. Step 5: Solve for x
    x = 175,321,689,561,761,472/484,977,959.65
  6. Step 6: Final answer
    x = 361,504,447.93

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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.