Home / 469,077,429.97-647,384,262.74-270,838,591.84

Finding the Fourth Proportional to 469,077,429.97, 647,384,262.74 and 270,838,591.84

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Solution

The fourth proportional to 469,077,429.97, 647,384,262.74 and 270,838,591.84 is: 373,790,404.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,077,429.97 : 647,384,262.74 = 270,838,591.84 : x
  2. Step 2: Convert to fraction form
    469,077,429.97/647,384,262.74 = 270,838,591.84/x
  3. Step 3: Cross multiply
    469,077,429.97x = 647,384,262.74 × 270,838,591.84
  4. Step 4: Simplify right side
    469,077,429.97x = 175,336,642,099,878,176
  5. Step 5: Solve for x
    x = 175,336,642,099,878,176/469,077,429.97
  6. Step 6: Final answer
    x = 373,790,404.09

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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.